Snort mailing list archives
Stream5 confusion
From: "Lay, James" <james.lay () wincofoods com>
Date: Tue, 28 Dec 2010 11:32:54 -0700
Hey Team, So...I'm doing my upgrade to 2.9.0.3, a perfect time to audit my .conf files. Maybe I'm over thinking, but I think I'm confused on the reasons/differences for stream5 ports client/server/both. The default config has things like: ports client 21 22 23 ... ports both 80 311 443 ... Pretending that we don't have ftp, http, and telnet preprocessors, wouldn't one want to put things like 21, 22, and 23 in as both or server? As I understand it, this is how it works, with port 80 as an example: ports server 80, reassemble any local -> remote port 80 ports client 80, reassemble local port 80 -> any remote port ports both 80, reassemble local port 80 -> any remote port or local port 80 -> any remote port So why would one put port 21 in ports client since the chances of a client port being 21 connecting to a remote server port 21 are slim to nil? Any hints would be most welcome...thank you. James Lay IT Security Analyst WinCo Foods 208-672-2014 Office 208-559-1855 Cell 650 N Armstrong Pl. Boise, Idaho 83704
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Current thread:
- Stream5 confusion Lay, James (Dec 28)
- Re: Stream5 confusion Eric L. Howard (Dec 28)
- Re: Stream5 confusion Lay, James (Dec 28)
- Re: Stream5 confusion Eric L. Howard (Dec 28)