[Novalug] determining where a port is blocked

Jay Hart jhart at kevla.org
Wed Nov 14 08:03:35 EST 2007


Greg,

Please explain your setup here, to get your box in the DMZ!!!

Thanks,

Jay

> It appears that a few ports are allowed into verizon's network IF you
> put the machine 'in the dmz'.
> 21, 22, 25, 37, 53, 113 and 443
>
> So, running imap or tunneling on those ports will work...
>
>
> On Wed, Nov 14, 2007 at 07:29:33AM -0500, gregory pryzby wrote:
>> What am I missing or not communicating?
>>
>> From what I can tell, only port 22 is getting to imap.pryzby.org
>>
>> on laptop.pryzby.org (somewhere on the web)
>>    ssh -2 -L 143:imap.pryzby.org:22 (since on 22 is allowed in)
>>    MUA uses 127.0.0.1:143
>> on imap.pryzby.org
>>    have imapd listen on 22
>>
>> And now NO ssh shell access, correct?
>
>
> --
> greg pryzby                              greg at pryzby dot org
> AIM: gpryzby                             http://pryzby.org/
> fingerprint: 8A1A DB90 869F 5DD1 D6E9 EEB6 C156 6B04 849F A86F
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