[Haifux] Router question

[guy keren]

you should have a traceroute-line utility that runs on TCP ports of your 
choice.

for example, tcptraceroute.

see an explanation here:

http://christophe.vandeplas.com/2007/11/04/using-traceroute-icmp-and-tcp

--guy

Ohad Lutzky wrote:
> traceroute is ICMP. I'm having trouble with specific ports on TCP.
> 
> On Sat, Oct 16, 2010 at 7:53 PM, Dave Roi <davidroi at gmail.com 
> <mailto:davidroi at gmail.com>> wrote:
> 
>     Did you try running traceroute to the pgp server or android market
>     server?
>     See how many hops it does go and see in which one it gets stuck.
> 
> 
>     On Sat, Oct 16, 2010 at 19:36, Ohad Lutzky <ohad at lutzky.net
>     <mailto:ohad at lutzky.net>> wrote:
> 
>         Hello everyone,
> 
>         I have a Linksys DSL-2760u router/DSL modem, using a Wow (Bezeq)
>         connection to the Bezeq International ISP. It seems that various
>         outgoing ports are blocked - HTTP, HTTPS, bittorrent and SSH
>         work well enough, but - for example - I can't download Android
>         apps from the Market. Easier to test, I can't download PGP
>         public keys. For example:
> 
>         gpg -v -v --keyserver subkeys.pgp.net <http://subkeys.pgp.net>
>         --recv F120156012B83718
>         gpg: requesting key 12B83718 from hkp server subkeys.pgp.net
>         <http://subkeys.pgp.net>
> 
>         This hangs indefinitely. So does this:
>         telnet subkeys.pgp.net <http://subkeys.pgp.net> 11371
>         Trying 195.113.19.83...
> 
>         The same occurs for other keyservers, git-protocol, and various
>         other "unconventional" high-port usage. I've gone over the
>         router settings, disabled its firewall (but not NAT, which I
>         need), added my machine to the DMZ (this actually seems to help,
>         sometimes, for git - and even then, only once), tried port
>         triggering... I can't get a consistent result.
> 
>         I should note that this issue only exists for *outgoing* ports.
>         I have no problem mapping *incoming* ports (such as my openssh
>         server or bittorrent web interface).
> 
>         -- 
>         Man is the only animal that laughs and weeps, for he is the only
>         animal that is struck with the difference between what things
>         are and what they ought to be.
>          - William Hazlitt
> 
>         Ohad Lutzky
> 
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> 
> 
> 
> 
> 
> -- 
> Man is the only animal that laughs and weeps, for he is the only animal 
> that is struck with the difference between what things are and what they 
> ought to be.
>  - William Hazlitt
> 
> Ohad Lutzky
> 
> 
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