Re: Probes on Port 135 and 445 continue

From: David Magda (dmagda+trace040726_at_ee.ryerson.ca)
Date: 10/22/04 

Date: 22 Oct 2004 16:29:00 -0400

ibuprofin@painkiller.example.tld (Moe Trin) writes:

> I certainly see enough lusers complaining that IRC doesn't work
> because they block or drop port 113. I'm ignoring the applications
> used to share copyright protected material because it's often
> illegal, but that's still going to create a lot of whining.

I know of several developers who use IRC to communicate with others
on open source projects, and on their 'real' work when they want help
with an issue. Personally I would not disallow chating, but the file
transfer protocol (DCC) often used in IRC. (But that's just me.) 

-- 
David Magda <dmagda at ee.ryerson.ca>, http://www.magda.ca/
Because the innovator has for enemies all those who have done well under
the old conditions, and lukewarm defenders in those who may do well 
under the new. -- Niccolo Machiavelli, _The Prince_, Chapter VI

Relevant Pages

  • Re: Probes on Port 135 and 445 continue
    ... > because they block or drop port 113. ... I'm ignoring the applications ... I know of several developers who use IRC to communicate with others ...
    (comp.security.unix)
  • Re: Hardware firewalls
    ... can tell the difference between MiRC or Trillian trying to open a IRC ... Trilian is a legit user of the IRC port because you just clicked it to ... you didn't ask the trojan to report to mummy. ... Hardware firewalls, whilst superior in most regards, can't make this ...
    (comp.security.firewalls)
  • natd port forward times out, tcpdump yields nothing
    ... When someone connects to irc.domain.com on IRC ports (6667, 8067, ... port requests to the IRC jail as per normal (such as port 80, ... $IPF 10 allow all from any to any via lo0 ... $IPF 20 deny all from any to 127.0.0.0/8 ...
    (freebsd-net)
  • Re: natd port forward times out, tcpdump yields nothing
    ... When someone connects to irc.domain.com on IRC ports (6667, 8067, ... port requests to the IRC jail as per normal (such as port 80, ... $IPF 10 allow all from any to any via lo0 ... $IPF 20 deny all from any to 127.0.0.0/8 ...
    (freebsd-net)
  • Re: Disabling DCC on irc
    ... Where I work, I asked them to give me access to irc servers, but they ... > opens a listening port on his computer, and sends a message to UserB ... means blocking incoming connection requests to the client pcs on ... > Blocking DCC connections initiated from the outside (again, ...
    (comp.security.firewalls)