[PATCH] SOCKS4A support

Dan Kaminsky dan at doxpara.com
Wed Jul 2 02:28:28 EST 2008


Damien Miller wrote:
> On Tue, 1 Jul 2008, David Woodhouse wrote:
>
>   
>> This provides SOCKS4A support, which allows a SOCKS4 client to provide a
>> host name instead of an IP address. It indicates that it's doing so by
>> using a known-invalid IP address 0.0.0.x (where x != 0), and then
>> appending the NUL-terminated hostname to the connection request.
>>     
>
> How many programs speak SOCKS4A and not SOCKS5?
>   
There are a few -- and if I remember, they just always do SOCKS4A.  
Basically people assume that it's part of the SOCKS4 standard, given how 
absurdly trivial SOCKS4 itself is.

--Dan



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