Radim Kolar created TS-2482:
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             Summary: Problems with SOCKS
                 Key: TS-2482
                 URL: https://issues.apache.org/jira/browse/TS-2482
             Project: Traffic Server
          Issue Type: Bug
          Components: Core
            Reporter: Radim Kolar


There are several problems with using SOCKS. I am interested in case when TF is 
sock client. Client sends HTTP request and TF uses SOCKS server to make 
connection to internet.

a/ - not documented enough in default configs
>From default configs comments it seems that for running 
TF 4.1.2 as socks client, it is sufficient to add one line to socks.config:

dest_ip=0.0.0.0-255.255.255.255 parent="10.0.0.7:9050"

but socks proxy is not used. If i run tcpdump sniffing packets  TF never tries 
to connect to that SOCKS.

>From source code - 
>https://github.com/apache/trafficserver/blob/master/iocore/net/Socks.cc it 
>looks that is needed to set "proxy.config.socks.socks_needed" to activate 
>socks support. This should be documented in both sample files: socks.config 
>and record.config

b/
after enabling socks, i am hit by this assert:

Assertion failed: (ats_is_ip4(&target_addr)), function init, file Socks.cc, 
line 65.

i run on dual stack system (ip4,ip6). 

This code is setting default destination for SOCKS request? Can not you use 
just 127.0.0.1 for case if client gets connected over IP6?

https://github.com/apache/trafficserver/blob/master/iocore/net/Socks.cc#L66



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