I found that a bit strange myself, but we log all traffic flows through the firewall and the only communication going on was on port 993.
-----Original Message----- From: Andrew Miehs [mailto:[email protected]] Sent: April-23-13 7:40 PM To: James S. Smith Cc: [email protected] Subject: Re: [j-nsp] SRX3600 weirdness Sent from a mobile device On 24/04/2013, at 6:56, "James S. Smith" <[email protected]> wrote: > > > We have a database subnet outside the firewall, and an exchange server subnet > behind the firewall. A database server uses IMAP4 over SSL (TCP 993) to send > emails to Exchange. The connection open and closes pretty regularly, every > 5-15 minutes or so, and closes after the communication is done. Are you sure it doesn't use smtp to send mails? _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

