Firewall Wizards mailing list archives
RE: Exchange Server 2000 and Cisco Pix
From: yehuda <yehuda () essutton com>
Date: Tue, 22 May 2001 13:57:33 -0400
fixup is smtp inspection. to turn it off use: clear fixup protocol smtp 25 or no fixup smtp check the documentation on the website for exact command syntax. from cisco's website: http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_v53/config/com mands.htm (this is the command reference for cisco pix 5.3) fixup protocol smtp The fixup protocol smtp command enables the Mail Guard feature, which only lets mail servers receive the RFC 821, section 4.5.1 commands of HELO, MAIL, RCPT, DATA, RSET, NOOP, and QUIT. All other commands are rejected with the "500 command unrecognized" reply code. As of version 5.1 and later, the fixup protocol smtp command changes the characters in the SMTP banner to asterisks except for the "2", "0", "0 " characters. Carriage return (CR) and linefeed (LF) characters are ignored. In version 4.4, all characters in the SMTP banner are converted to asterisks. if you are using authenticated smtp to retrieve email, the pix will block the "auth" command which is trying to authenticate. If you are not using authenticated smtp, then the problem is in some other part of your comfiguration.
-----Original Message----- From: Christoph Puetz [SMTP:puetzc () yahoo com] Sent: Monday, May 21, 2001 12:55 PM To: firewall-wizards () nfr com Subject: [fw-wiz] Exchange Server 2000 and Cisco Pix Hello wizards, I have a newly installed Exchange Server 2000 behind my Pix and did receive an error from a mail client when trying to connect to the Exchange server. Microsoft refers to Cisco without really being specific - at least I could not find the solution at Cisco's web page. Anyone here knows what I have to do? Here's MS solution (Article ID: Q295164) for the problem: "RESOLUTION To resolve this issue, disable SMTP inspection on the firewall. If you do not know the command to disable SMTP inspection, contact Cisco." Is this the fixup command I have to use and disable smtp? Thanks for your help in advance! C. __________________________________________________ Do You Yahoo!? Yahoo! Auctions - buy the things you want at great prices http://auctions.yahoo.com/ _______________________________________________ firewall-wizards mailing list firewall-wizards () nfr com http://www.nfr.com/mailman/listinfo/firewall-wizards
_______________________________________________ firewall-wizards mailing list firewall-wizards () nfr com http://www.nfr.com/mailman/listinfo/firewall-wizards
Current thread:
- Re: Exchange Server 2000 and Cisco Pix Curt Wilson (May 24)
- <Possible follow-ups>
- RE: Exchange Server 2000 and Cisco Pix yehuda (May 24)
- RE:Exchange Server 2000 and Cisco Pix Payne, Patrick (May 24)
- Re: Exchange Server 2000 and Cisco Pix Brian Ford (May 24)
- RE: Exchange Server 2000 and Cisco Pix shewitt (May 25)
- RE: Exchange Server 2000 and Cisco Pix anthonyverrill (May 25)