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