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"Corporate Mail Server" posted by ~Ray
Posted on 2008-07-01 07:20:04

First of all for continuation of setup it is necessary to adjust an environment. Add to /etc/apt/sources enumerate additional source for latest version of ClamAV deb http://volatile debian org/debian-volatile etch/volatile main contrib Further we shall update the list of packages: apt-get update On it all preparatory measures is finished. Let's establish necessary for work of a send Server packages apt-get lay postfix libsasl2 libsasl2-modules sasl2-bin cyrus-imapd-2.2 cyrus-pop3d-2.2 cyrus-admin-2.2 Let's adjust a server of authorization saslauthd on use of a database of passwords sasldb2. For this we shall edit a register /etc/default/saslauthd : START=yes MECHANISMS="sasldb" and start the function /etc/init d/saslauthd start Now we shall analyse up correctly it works but for the beginning it is necessary to add even one user: mailserver:~# saslpasswd2 test Password: Again (for verification): mailserver:~# sasldblistusers2 test@mailserver: userPassword mailserver:~# testsaslauthd -u test -p test If you have received the message "0: OK "Success." Means everything is all right. If authorization has not passed- check file /var/log/auth log Now We need to transfer socket of saslauthd to "cherooted" working directory of postfix /var/transfer/postfix/ make this by editing /etc/fstab /var/run/saslauthd /var/transfer/postfix/var/run/saslauthd none rw,bind 0 0 Also it is necessary alter directory where we shall mount a socket of saslauthd: mkdir -p /var/transfer/postfix/var/run/saslauthdmount /var/run/saslauthd Now we shall configure postfix for use sasl authorizations: edit /etc/postfix/main cf: smtpd_sasl_local_domain = smtpd_sasl_auth_alter = yes smtpd_sasl_security_options = noanonymous broken_sasl_auth_clients = yes smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated evaluate_unauth_destination smtpd_sasl_authenticated_header = yes smtpd_sasl_application_name = smtpd Now we command to displace send through ours SMTP without authorization. For this purpose we shall act a file /etc/postfix/sasl/smtpd conf with following contents: pwcheck_method: saslauthd mech_enumerate: PLAIN LOGIN Names and passwords are stored in a change which is distinct from system it is necessary to contract the given option. Above mentioned added options "local_recipient_maps =" It means " to evaluate letters for any addressee ". We add the user cyrus in our base of registration records: saslpasswd2 -c cyrus By this moment can already receive and send mails create and delete folders on an IMAP-server open quotas and access rights on folders means of the utility cyradm. As all the further actions on adjustment for testing ordain bespeak to send and receive mail. I result the brief instruction on creation of IMAP accounts (mailboxes). use strict; $QUARANTINEDIR = '/var/lib/amavis/virusmails'; $log_recip_templ = undef; # disable by-recipient level-0 log entries $DO_SYSLOG = 1; # log via syslogd (preferred) $syslog_ident = 'amavis'; # syslog ident tag prepended to all messages $syslog_facility = 'mail'; $syslog_priority = 'debug'; # change by reversal to info to displace debug output etc $enable_db = 1; # enable use of BerkeleyDB/libdb (SNMP and nanny) $enable_global_lay aside = 1; # alter use of libdb-based cache if $enable_db=1 $inet_socket_port = 10024; # default listenting socket $sa_e-mail_subject_tag = '***e-mail*** '; $sa_tag_level_deflt = 2.0; # add spam info headers if at or above that level ##$sa_tag_level_deflt = -999; $sa_tag2_aim_deflt = 6.31; # add 'spam detected' headers at that aim $sa_kill_aim_deflt = 6.31; # triggers spam evasive actions ##$sa_kill_level_deflt = 999; $sa_dsn_cutoff_aim = 10; # spam level beyond which a DSN is not sent $sa_mail_body_coat_limit = 200*1024; # don't expend measure on SA if send is larger $sa_local_tests_only = 0; # only tests which do not demand internet access? # Quota limits to avoid bombs (like 42 zip) $MAXLEVELS = 14; $MAXFILES = 1500; $MIN_EXPANSION_QUOTA = 100*1024; # bytes $MAX_EXPANSION_QUOTA = 300*1024*1024; # bytes ### DM #### $final_virus_destiny = D_evaluate; # (defaults to D_BOUNCE) $final_banned_destiny = D_REJECT; # (defaults to D_BOUNCE) $final_e-mail_destiny = D_go; # (defaults to D_REJECT) $final_bad_header_destiny = D_PASS; # (defaults to D_go). D_BOUNCE suggested $viruses_that_fake_sender_re = new_RE( qr'nimda|hybris|klez|bugbear|yaha|braid|sobig|fizzer|palyh|peido|holar'i qr'tanatos|lentin|bridex|mimail|trojan\ dropper|dumaru|parite|spaces'i qr'dloader|galil|gibe|swen|netwatch|bics|sbrowse|sober|rox|val(hal)?la'i qr'frethem|sircam|be?agle|tanx|mydoom|novarg|shimg|netsky|somefool|moodown'i qr'@mm|@MM'. # mass mailing viruses as labeled by f-prot and uvscan qr'Worm'i. # worms as labeled by ClamAV. Kaspersky etc [qr'^(EICAR|communicate\.|cast aside\.)'i => 0]. [qr'^(WM97|OF97|W95/CIH-|JS/assemble)'i => 0]. [qr/.*/ => 1]. # true by default (shift or comment-out if undesired) ); $virus_admin = "postmaster\@$mydomain"; # due to D_DISCARD default # get empty (undef) to add no header $X_HEADER_LINE = "Debian $myproduct_label at $mydomain"; @viruses_that_fake_sender_maps = (new_RE( [qr'\bEICAR\b'i => 0]. # av test pattern label [qr/.*/ => 1]. # true for everything else )); @keep_decoded_original_maps = (new_RE( # qr'^MAIL$'. # bear full original message for virus checking (can be slow) qr'^MAIL-UNDECIPHERABLE$'. # recheck full mail if it contains undecipherables qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)'i. # qr'^Zip archive data'. # don't believe Archive::Zip )); # for $banned_namepath_re a new-style of banned delay see amavisd conf-sample $banned_filename_re = new_RE( # qr'^UNDECIPHERABLE$'. # is or contains any undecipherable components # block certain double extensions anywhere in the base label qr'\.[^./]*\.(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)\.?$'i qr'\{[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}\}?'i. # Windows categorise ID CLSID strict qr'^application/x-msdownload$'i. # block these MIME types qr'^application/x-msdos-program$'i qr'^application/hta$'i. # qr'^application/x-msmetafile$'i. # Windows Metafile MIME type # qr'^\ wmf$'. # Windows Metafile file(1) type # qr'^message/partial$'i qr'^message/external-body$'i. # rfc2046 MIME types # [ qr'^\.(Z|gz|bz2)$' => 0 ]. # accept any in Unix-compressed # [ qr'^\.(rpm|cpio|tar)$' => 0 ]. # allow any in Unix-type archives # [ qr'^\.(zip|rar|arc|arj|zoo)$'=> 0 ]. # allow any within such archives qr'.\.(exe|vbs|pif|scr|bat|cmd|com|cpl)$'i. # banned extension - basic # qr'.\.(ade|adp|app|bas|bat|chm|cmd|com|cpl|crt|emf|exe|fxp|grp|hlp|hta| # inf|ins|isp|js|jse|lnk|mda|mdb|mde|mdw|mdt|mdz|msc|msi|msp|mst| # ops|pcd|pif|prg|reg|scr|sct|shb|shs|vb|vbe|vbs| # wmf|wsc|wsf|wsh)$'ix. # banned ext - desire # qr'.\.(mim|b64|bhx|hqx|xxe|uu|uue)$'i. # banned extension - WinZip vulnerab qr'^\.(exe-ms)$'. # banned file(1) types # qr'^\.(exe|lha|tnef|cab|dll)$'. # banned file(1) types ); # See http://support microsoft com/default aspx?scid=kb;EN-US;q262631 # and http://www cknow com/vtutor/vtextensions htm # ENVELOPE SENDER SOFT-WHITELISTING / SOFT-BLACKLISTING @score_sender_maps = ({ # a by-recipient hash lookup table. # results from all matching recipient tables are summed # ## per-recipient personal tables (NOTE: positive: black contradict: color) # 'user1@example com' => [{'bla-mobile press@example com' => 10.0}]. # 'user3@example com' => [{' ebay com' => -3.0}]. # 'user4@example com' => [{'cleargreen@cleargreen com' => -7.0. # ' cleargreen com' => -5.0}]. ## site-wide opinions about senders (the '.' matches any recipient) '.' => [ # the _first_ matching sender determines the score boost new_RE( # regexp-type lookup table just happens to be all soft-blacklist [qr'^(bulkmail|offers|cheapbenefits|earnmoney|foryou)@'i => 5.0]. [qr'^(greatcasino|investments|lose_weight_today|market\ alert)@'i=> 5.0]. [qr'^(money2you|MyGreenCard|new\ tld\ registry|opt-out|opt-in)@'i=> 5.0]. [qr'^(optin|saveonlsmoking2002k|specialoffer|specialoffers)@'i => 5.0]. [qr'^(stockalert|stopsnoring|wantsome|workathome|yesitsfree)@'i => 5.0]. [qr'^(your_friend|greatoffers)@'i => 5.0]. [qr'^(inkjetplanet|marketopt|MakeMoney)\d*@'i => 5.0]. ). # construe_hash("/var/amavis/sender_scores_sitewide"). { # a hash-type lookup table (associative array) 'nobody@cert org' => -3.0. 'cert-advisory@us-cert gov' => -3.0. 'owner-alert@iss net' => -3.0. 'slashdot@slashdot org' => -3.0. 'securityfocus com' => -3.0. 'ntbugtraq@listserv ntbugtraq com' => -3.0. 'security-alerts@linuxsecurity com' => -3.0. 'mailman-announce-admin@python org' => -3.0. 'amavis-user-admin@lists sourceforge net'=> -3.0. 'amavis-user-bounces@lists sourceforge net' => -3.0. 'spamassassin apache org' => -3.0. 'notification-return@lists sophos com' => -3.0. 'owner-postfix-users@postfix org' => -3.0. 'owner-postfix-announce@postfix org' => -3.0. 'owner-sendmail-announce@lists sendmail org' => -3.0. 'sendmail-announce-request@lists sendmail org' => -3.0. 'donotreply@sendmail org' => -3.0. 'ca+envelope@sendmail org' => -3.0. 'noreply@freshmeat net' => -3.0. 'owner-technews@postel acm org' => -3.0. 'ietf-123-owner@loki ietf org' => -3.0. 'cvs-commits-list-admin@gnome org' => -3.0. 'rt-users-admin@lists fsck com' => -3.0. 'clp-request@comp nus edu sg' => -3.0. 'surveys-errors@lists nua ie' => -3.0. 'emailnews@genomeweb com' => -5.0. 'yahoo-dev-null@yahoo-inc com' => -3.0. 'returns groups yahoo com' => -3.0. 'clusternews@linuxnetworx com' => -3.0 lc('lvs-users-admin@LinuxVirtualServer org') => -3.0 lc('owner-textbreakingnews@CNNIMAIL12. CNN. COM') => -5.0. # soft-blacklisting (positive advance) 'sender@example net' => 3.0. ' example net' => 1.0. }. ]. # end of site-wide tables }); 1; # verify a defined return Add user clamav to assort amavis: adduser clamav amavis Now we force postfix to give mail for check to antivirus. Add to file /etc/postfix/master cf smtp-amavis unix - - n - 2 smtp -o smtp_data_done_timeout=1200 -o smtp_displace_xforward_command=yes -o disable_dns_lookups=yes 127.0.0.1:10025 inet n - n - - smtpd -o content_filter= -o local_recipient_maps= -o relay_recipient_maps= -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=accept_mynetworks,reject -o mynetworks=127.0.0.0/8 -o strict_rfc821_envelopes=yes -o smtpd_error_rest_measure=0 -o smtpd_soft_error_check=1001 -o smtpd_hard_error_limit=1000 As add in the end of file /etc/postfix/main cf : content_separate=smtp-amavis:[127.0.0.1]:10024 acquire_override_options = no_communicate_mappings # rewrite_header Subject *****SPAM***** # inform_safe 1 # trusted_networks 10.0.1. # lock_method flock # dcc use_dcc 1 #pyzor use_pyzor 1 #shave use_shave2 1 #bayes use_bayes 1 use_bayes_rules 1 bayes_auto_learn 1 and uncoment follow line in file /etc/spamassassin/v310 pre : loadplugin Mail::SpamAssassin::Plugin::DCC loadplugin Mail::SpamAssassin::Plugin::Pyzor loadplugin send::SpamAssassin::Plugin::Razor2 loadplugin send::SpamAssassin::Plugin::AntiVirus

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http://morozovsky.blogspot.com/2007/10/corporative-mail-server.html

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"Mail server outage" posted by ~Ray
Posted on 2007-12-15 16:21:31

The mailserver suffered it's first downtime for almost a year on Sunday night/Monday morning. This was caused by a failed security upgrade. The server stopped accepting connections rather than assay a security disrespect. The patch was removed and the server restarted early monday morning

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"connectivity mailserver" posted by ~Ray
Posted on 2007-12-09 14:40:37

Current Outpost Security Suite 2008 Release: 2008 (6.0.2220.223.446.277) [05.12.2007] Current Outpost Firewall 2008 channel: 2008 (6.0.2220.223.446.277) [05.12.2007] www agnitum com Outpost 2008Outlook 2007Mailserver MDaemonWindows XP SP2Windows Server 2003 SP1My XP client isn't able to reach my mailserver on windows 2003. There's no problem with the connection to a directory on the server and I can ping the server. I have entered the IP addresses of the workstation and the server in LAN settings. Why is everything working object this? Outpost Firewall command Discussions. Support and Troubleshooting Outpost Security Suite command Discussions. give and Troubleshooting Outpost Security Suite 2008 Public Beta Discussions. Support and Troubleshooting Powered by vBulletin Version 3.6.0procure ©2000 - 2007. Jelsoft Enterprises Ltd.

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http://www.outpostfirewall.com/forum/showthread.php?t=21516

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"Support :: RE: Help! My FSG mailserver is being abused!..." posted by ~Ray
Posted on 2007-11-09 22:26:25

Help! My mailqueue is filling up with all sorts of strange mails to destinations primarily in Italy and Yahoo mail addresses. The strange thing is - I've had my server checked by an open relay checking drive on the internet (www checkor com) - apparently it should be safe only one problem shows up - it seems someone can use my mailserver to send spam to me (I can live with that) but not external addresses. What I'm worried about is how on earth it's possible to fill my queue with emails that I didn't displace when apparently the server isn't an open relay??My incoming mailqueue is also filling up with return mails and also the deferred queues. If I can't stop this soon my mailserver ordain soon be blacklisted or I will be forced to close my mailserver drink permanently - I would really hate that. Also. I don't think an FSG with an xScale 266 MHz CPU is supposed to keep up with a mailflow of this magnitude - in time my other services ordain experience severely from the overloaded mailserver... Hope someone has an idea to stop it. Btw I'm running beta 4.2.7 - I have a slight suspicion that the problem has started after upgrading to that - before I was running 3.3.9. But on the other hand - I don't undergo the log recording running all the time so it might undergo started a desire measure ago... Thanks in advance,Thomas Christensen_________________FSG-3 FW 3.3.14 / 250GB My guess is that it's nothing to do with the FSG but that you undergo got a trojan on your computer that is sending (or relaying) these messages. Do complete virus and spyware scans AS SOON AS POSSIBLE and use several scanners (not at the same time!) because different spyware scanners surprise different things and none of them seem to catch everything. Also check your firewall. The one in the FSG is not adequate by itself. You should undergo a software firewall running on your computer and a hardware firewall at the boundary of your network (for instance in an ADSL router)._________________Paul. Hi Paul,I can assure you there are no trojans or viruses on my computers (by computer I anticipate you convey other PC's on the network?) - I have an always updated McAfee Virusscan Enterprise 8.0 running + Superantispyware. And do manual spyware scans regularly with 2-3 other spyware tools. Plus this abuse is happening even during the day when nothing else but the FSG is online on my communicate. I do have my FSG sitting at the frontline connected to the ADSL modem - I really thought the builtin firewall was enough so I put it there instead of my Linksys WRT54G (which is now only my wireless accesspoint) - it's a pain to assemble turn forwards in the linksys to get every feature in the FSG working. And I really hate software firewalls it's the most user unfriendly piece of technology ever invented constantly nagging users with an ever increasing move of questions involving strange program names and IP adresses - how is the user to know if this and that schedule should be allowed to do this and that?Sure. I know what to answer but I dislike being interrupted all the measure - I rather like the fact that an SPI hardware box is sitting doing the hard bring home the bacon so I can get on with my work ;o)So I'm still leaning towards there being a bug somewhere an apply in either PHP4 or Postfix. I allready disabled my webmail - that wasn't the culprit now I've disabled PHP4 - if it continues I only undergo Postfix left to accuse short of the FSG itself being infected but I hardly doubt it... beat regards,Thomas Christensen_________________FSG-3 FW 3.3.14 / 250GB Ok: good. If your actual computers are clean that's a study step send. I do think you should have the FSG behind a proper hardware firewall. It's worth spending the time to configure that properly. Forwarding ports isn't difficult and it only needs to be done once. As far as I can see the only firewall capability in the FSG itself is NAT which does protect computers behind it to some extent but does not defend the FSG itself at all. Software firewalls aren't that bad: or at least some of them! The built-in XP firewall is quiet and doesn't come in or act too much in the way of system resources - and at least since SP2 is reasonably competent against incoming threats. Some of the commercial ones are intrusive in their behaviour (I suppose they be to let you experience on every cause of how splendid they are and how magnificently they are doing) and that is a pain. I really am not a fan of either Macafee or Norton in this consider (and others)._________________Paul. Hi Paul,You're probably alter about the IP tables in the FSG being nothing more than an advanced NAT ;o) and the software firewall in XP is always on when I'm connected to other networks than my own - the problem is that it does hinder with some services on the LAN i e you can't collide with other PC's in the network neighbourhood. Unfortunately I haven't found a way to change state for ICMP traffic in the XP firewall so I get it off... I accept 100% regarding Norton and McAfee - when it comes to their security suites they carry more affect than they back up. So my McAfee is purely virusscan for files and emails (outlook plugin) nothing else. The worst (from my personal experience) are Zygate Personal Firewall and govern affright - they constantly nag you and even prevent legitimate programs from working properly - even without asking you in some cases... Another reason why I put the FSG in front was that if I put my WRT54G in front. I ordain have wireless find to the internet only - the FSG would only be reachable through wired LAN (and most of my PC's are wireless although I have double LAN plugs in every dwell). Best regards,Thomas_________________FSG-3 FW 3.3.14 / 250GB OK - did as you suggested - now my WRT54G is the firewall/gateway with port forwards to the FSG. In request for this to work. I had to reconfigure the FSG into running in "Switch" mode instead of "Router" mode - otherwise it wouldn't be accessable on the wireless lan. Unfortunately I've run into a very strange problem with my mailserver - it has changed my main cf register (postfix configuration) so that "myhostname" is now set to "FSG local". So every mail sent to it is now bounced with the communicate "mail for ttchome dnsalias net loops approve to myself" to the sender. I can manually log in with ssh change the myhostname back to "ttchome dnsalias net" and issue the "postfix reload" command - then it works! but only until next resuscitate of the FSG or if I dress any settings in the web config interface then it's approve to FSG local again... I don't get this - I undergo edited the main cf myself before to consider a virtual domain i didn't have these problems approve then - just a "postfix reload" and the configuration stayed change surface after reboot... Otherwise everything else is working - just hope this did away with the abuse ;o)beat regardsThomas Christensen_________________FSG-3 FW 3.3.14 / 250GB Hi,I have had the same kind of 'problem'. Like everyone. I am receiving spam on my domain on non-existing e-mail addresses. As postfix receives this telecommunicate it tells the sender the e-mail communicate is non-existent. There is nothing to do about that this is how it must work. My stand was getting rather big because I had deliberately prevented my FSG from sending outgoing e-mails (my ISP forces me to use its mail gateway and I didn't tell it to my FSG). Then no non-delivery e-mails were going out (at that time I had configured my mail client (Thunderbird or.

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"Shareware - Mail Access Monitor for Kerio MailServer 3.2" posted by ~Ray
Posted on 2007-11-03 15:49:24

It is hard to imagine an office without find to telecommunicate. Just as hard as finding a large affiliate that does not have irresponsible employees who prefer exchanging e-mail messages with their friends rather than doing their job. If you are a manager business owner or IT specialist you have to experience that there is a simple quick and inexpensive way to take control of corporate e-mail system. Mail Access Monitor is a simple tool that analyses mail server logs and shows how much merchandise is being used by e-mail who sends and receives most messages where the messages are being send to and if e-mail abuse takes place in your office. The program works with all popular e-mail servers (MDaemon. Kerio MailServer. Merak Mail Server. MS transfer Server. VisNetic MailServer. SendMail. PostFix. CommuniGate Pro and QMail) and builds charts that are easy to comprehend. A simple glance at the chart reveals a lot of information. For example you may find out that most outgoing e-mail messages are not related to work in any way and be you hundreds of dollars in extra traffic a year. Or that some employees average 30-50 emails a day. Or on the other transfer some of your sales staff members who are supposed to be proactive at approaching clients only say to incoming messages. The beat move of Mail Access observe is that it starts working alter after installation (which takes less then 1 minute) and frees you from having to be over employees shoulders. As soon as employees learn that their e-mail use is being tracked and that the abusers will be punished their productivity increases drastically. In fact. send Access Monitor is so effective that some Fortune 500 companies made it a mandatory policy to have the program installed in every office and grow around the globe! To see how Mail find Monitor can back up your company fight telecommunicate do by transfer free trial version now!

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http://www.coredownload.com/download-Mail-Access-Monitor-for-Kerio-MailServer-10733.html

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"Support :: RE: Help! My FSG mailserver is being abused!..." posted by ~Ray
Posted on 2007-10-28 13:18:57

back up! My mailqueue is filling up with all sorts of strange mails to destinations primarily in Italy and Yahoo send addresses. The strange thing is - I've had my server checked by an open relay checking tool on the internet (www checkor com) - apparently it should be safe only one problem shows up - it seems someone can use my mailserver to send spam to me (I can live with that) but not external addresses. What I'm worried about is how on earth it's possible to fill my stand with emails that I didn't displace when apparently the server isn't an change state relay??My incoming mailqueue is also filling up with return mails and also the deferred queues. If I can't stop this soon my mailserver will soon be blacklisted or I ordain be forced to change state my mailserver down permanently - I would really hate that. Also. I don't evaluate an FSG with an xScale 266 MHz CPU is supposed to keep up with a mailflow of this magnitude - in time my other services will experience severely from the overloaded mailserver... Hope someone has an idea to stop it. Btw I'm running beta 4.2.7 - I have a brush aside suspicion that the problem has started after upgrading to that - before I was running 3.3.9. But on the other hand - I don't undergo the log recording running all the time so it might have started a long time ago... Thanks in go,Thomas Christensen_________________FSG-3 FW 3.3.14 / 250GB My anticipate is that it's nothing to do with the FSG but that you have got a trojan on your computer that is sending (or relaying) these messages. Do end virus and spyware scans AS SOON AS POSSIBLE and use several scanners (not at the same measure!) because different spyware scanners catch different things and none of them be to surprise everything. Also check your firewall. The one in the FSG is not adequate by itself. You should have a software firewall running on your computer and a hardware firewall at the boundary of your network (for instance in an ADSL router)._________________Paul. Hi Paul,I can assure you there are no trojans or viruses on my computers (by computer I guess you convey other PC's on the network?) - I have an always updated McAfee Virusscan Enterprise 8.0 running + Superantispyware. And do manual spyware scans regularly with 2-3 other spyware tools. Plus this abuse is happening change surface during the day when nothing else but the FSG is online on my network. I do have my FSG sitting at the frontline connected to the ADSL modem - I really thought the builtin firewall was enough so I put it there instead of my Linksys WRT54G (which is now only my wireless accesspoint) - it's a pain to configure port forwards in the linksys to get every feature in the FSG working. And I really dislike software firewalls it's the most user unfriendly piece of technology ever invented constantly nagging users with an ever increasing move of questions involving strange program names and IP adresses - how is the user to experience if this and that schedule should be allowed to do this and that?Sure. I experience what to answer but I dislike being interrupted all the measure - I rather like the fact that an SPI hardware box is sitting doing the hard work so I can get on with my work ;o)So I'm comfort leaning towards there being a bug somewhere an apply in either PHP4 or Postfix. I allready disabled my webmail - that wasn't the culprit now I've disabled PHP4 - if it continues I only have Postfix left to blame short of the FSG itself being infected but I hardly disbelieve it... beat regards,Thomas Christensen_________________FSG-3 FW 3.3.14 / 250GB Ok: good. If your actual computers are clean that's a major go send. I do evaluate you should have the FSG behind a proper hardware firewall. It's worth spending the time to configure that properly. Forwarding ports isn't difficult and it only needs to be done once. As far as I can see the only firewall capability in the FSG itself is NAT which does protect computers behind it to some extent but does not defend the FSG itself at all. Software firewalls aren't that bad: or at least some of them! The built-in XP firewall is quiet and doesn't intrude or take too much in the way of system resources - and at least since SP2 is reasonably competent against incoming threats. Some of the commercial ones are intrusive in their behaviour (I suppose they want to let you know on every occasion of how splendid they are and how magnificently they are doing) and that is a hurt. I really am not a fan of either Macafee or Norton in this respect (and others)._________________Paul. Hi Paul,You're probably right about the IP tables in the FSG being nothing more than an advanced NAT ;o) and the software firewall in XP is always on when I'm connected to other networks than my own - the problem is that it does interfere with some services on the LAN i e you can't ping other PC's in the network neighbourhood. Unfortunately I haven't found a way to open for ICMP traffic in the XP firewall so I leave it off... I accept 100% regarding Norton and McAfee - when it comes to their security suites.

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http://www.openfsg.com/forum/viewtopic.php?p=22183#22183

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"EBSQ Mailserver caught napping" posted by ~Ray
Posted on 2007-10-23 17:18:17

This is the official communicate for the EBSQ Self-Representing Artists Community where you'll find news reviews site announcements and of course a generous helping of art! Our mail server seems to have gotten stuck in the wee hours last night. If you registered for a new be requested a lost password or were expecting Art of the Day via telecommunicate chances are you probably didn't get it. And if you sent us an telecommunicate we didn't get it yet either!The mail server is getting caffeine via IV as we speak and we hope to have things back to normal soon! Once we're approve up and running we'll update here and will be able to assist you with any of your bacn needs (password retrieval etc) from last night. Sorry for the affect!

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Related article:
http://community.livejournal.com/ebsq/62960.html

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