Mick wrote: > Hi All, > > I think that I have confused myself with this. I am behind a firewall/http > proxy which seems to only allow outbound connections on ports 80 & 443 for > web browsing. This is not enough for me, as I would like to use my mail > client to send and receive mail from behind the firewall. > > I tried connecting to ssh servers which listen on different ports, besides > tcp/22 and I was not successful. This is probably an indication that the > internet gateway machine only accepts connections for packets that have a > destination to ports 80 & 443. > > If the above is correct, am I right to assume that to be able to run a tunnel > through this internet gateway I should run something like: > > ssh -L 2222:localhost:443 [EMAIL PROTECTED] > > or are ssh packets somehow distinguishable by their headers, so that a > cleverly crafted firewall will still identify them and drop them? > I don't have a direct answer, but it depends on the configuration of the firewall. You can analyze for content and you can also allow all traffic.
-- ================== Nick Stinemates ([EMAIL PROTECTED]) http://nick.stinemates.org AIM: Nick Stinemates MSN: [EMAIL PROTECTED] Yahoo: [EMAIL PROTECTED] ================== -- gentoo-user@lists.gentoo.org mailing list
