[JDEV] Help on Firewall

[Justin Georgeson]

Just look at www.socks.nec.com for RFCs on protocol version 4 and 5. It 
wasn't to difficult to code up support for it. I think they have a 
reference implementation, but I couldn't use it due to licensing (am 
working on commercial software).

Jonathan Augenstine wrote:
> I am wrestling with similar issues and I am interested in putting SOCKS
> support into my application.  Can anyone provide info on any possible
> libraries that would help with this?
> 
> 
>>-----Original Message-----
>>From: Matthias Wimmer [mailto:m at tthias.net] 
>>Sent: Friday, July 19, 2002 12:20 AM
>>To: jdev at jabber.org
>>Subject: Re: [JDEV] Help on Firewall
>>
>>
>>Hi Vincent!
>>
>>Vincent Ong wrote:
>>
>>
>>>I am trying to write a Jabber client. However, my company's 
>>
>>firewall 
>>
>>>has
>>>
>>>
>>>blocked off port 5222 and 5269. I would like to enable my Jabber 
>>>client to communicate with ICQ, MSN and Yahoo clients. Therefore I 
>>>would need port 4000, 1863 and 5050 as well. How can I 
>>
>>bypass this? Is 
>>
>>>there a way I can have a workaround like what ICQ provide? For 
>>>example, using HTTPs? I need help urgently.
>>>
>>
>>You neighter need access to port 5269 nor to 4000, 1863 or 5050.
>>
>>Port 5269 is only used between Jabber servers, the other 
>>ports are not 
>>required because you just have to use the Jabber transports that 
>>communicate with the other IM networks with you.
>>
>>For a Jabber client it's only necessary to open a connection to port 
>>5222 (or 5223 if you use Jabber over SSL). If you can't do 
>>this, there 
>>are different possibilities:
>>- (Best solution:) If your company has a SOCKS proxy, add 
>>SOCKS support 
>>to your client.
>>- If your company has a HTTP proxy it may be possible to use it. 
>>Different HTTP proxy hacks are possible. One of it is documented in 
>>JEP-0020.
>>
>>Tot kijk
>>    Matthias
>>
>>BTW: It was hard to quote your message. It would be nice if you don't 
>>use HTML for mail.
>>
>>-- 
>>Fon: +49-700 77007770		http://matthias-wimmer.de/
>>Fax: +49-89 312 88654		jabber://mawis@charente.de
>>
>>
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> 
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-- 
Justin Georgeson
UnBound Technologies, Inc.
http://www.unboundtech.com
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