Security Basics mailing list archives
AW: NetScreen XP and NetMeeting
From: "Robert Sieber" <rsieber () web de>
Date: Mon, 16 Dec 2002 00:26:49 +0100
The big scary-looking range of ports (1024-65535) are outbound UDP ports, which is a very common requirement. A lot of firewalls allow this by default because it can be (sometimes incorrectly) assumed that a connection originating from behind the firewall going out to the internet should be allowed.
Are you sure??? From my expiriences more than half of the danger come from inside a network! Think of trojans, bad employees and so on. It is not a good idea to open a lot of ports. Maybe you can use the H.323 support of netscreen? Robert -- http://board.protecus.de - Firewalls, Security and more ...
Current thread:
- RE: NetScreen XP and NetMeeting Sarbjit Singh Gill (Dec 12)
- Re: NetScreen XP and NetMeeting Igor D. Spivak (Dec 13)
- RE: NetScreen XP and NetMeeting HOULE, FRANCIS (Dec 13)
- RE: NetScreen XP and NetMeeting Sarbjit Singh Gill (Dec 16)
- <Possible follow-ups>
- RE: NetScreen XP and NetMeeting Murat_Korkmaz (Dec 12)
- RE: NetScreen XP and NetMeeting Gunn, Jeff (Dec 13)
- RE: NetScreen XP and NetMeeting Sarbjit Singh Gill (Dec 16)
- AW: NetScreen XP and NetMeeting Robert Sieber (Dec 16)
- RE: NetScreen XP and NetMeeting Gunn, Jeff (Dec 16)
- RE: NetScreen XP and NetMeeting Brian Bruns (Dec 17)
- RE: NetScreen XP and NetMeeting Sarbjit Singh Gill (Dec 18)