Error in connet "Address family for hostname not supported"

[mohamma...@gmail.com]

./sshuttle --dns -vvr te...@test.com 0/0
Starting sshuttle proxy.
Binding: 12300
Listening on ('127.0.0.1', 12300).
DNS listening on ('127.0.0.1', 12300).
firewall manager ready.
c : connecting to server...
c : executing: ['ssh', 'cha...@phpnema.com', '--', 'P=python2; $P -V 2>/dev/null || P=python; exec "$P" -c \'import sys; skip_imports=1; verbosity=2; exec compile(sys.stdin.read(764), "assembler.py", "exec")\'']
c :  > channel=0 cmd=PING len=7 (fullness=0)
server: assembling 'cmdline_options.py' (29 bytes)
server: assembling 'helpers.py' (914 bytes)
server: assembling 'ssubprocess.py' (13668 bytes)
server: assembling 'ssnet.py' (5446 bytes)
server: assembling 'hostwatch.py' (2270 bytes)
server: assembling 'server.py' (2370 bytes)
 s: latency control setting = True
c : connected.
Connected.
c : Waiting: 3 r=[3, 5, 9] w=[9] x=[] (fullness=7/0)
 s: available routes:
 s:   92.243.0.0/21
 s:  > channel=0 cmd=PING len=7 (fullness=0)
 s:  > channel=0 cmd=ROUTES len=14 (fullness=7)
 s: Waiting: 1 r=[4] w=[5] x=[] (fullness=21/0)
 s:   Ready: 1 r=[] w=[5] x=[]
 s: mux wrote: 15/15
 s: mux wrote: 22/22
 s: Waiting: 1 r=[4] w=[] x=[] (fullness=21/0)
c :   Ready: 3 r=[9] w=[9] x=[]
c : <  channel=0 cmd=PING len=7
c :  > channel=0 cmd=PONG len=7 (fullness=7)
c : <  channel=0 cmd=ROUTES len=14
firewall manager: starting transproxy.
>> iptables -t nat -N sshuttle-12300
>> iptables -t nat -F sshuttle-12300
>> iptables -t nat -I OUTPUT 1 -j sshuttle-12300
>> iptables -t nat -I PREROUTING 1 -j sshuttle-12300
>> iptables -t nat -A sshuttle-12300 -j REDIRECT --dest 92.243.0.0/21 -p tcp --to-ports 12300 -m ttl ! --ttl 42
>> iptables -t nat -A sshuttle-12300 -j RETURN --dest 127.0.0.0/8 -p tcp
>> iptables -t nat -A sshuttle-12300 -j REDIRECT --dest 0.0.0.0/0 -p tcp --to-ports 12300 -m ttl ! --ttl 42
>> iptables -t nat -A sshuttle-12300 -j REDIRECT --dest 192.168.0.1/32 -p udp --dport 53 --to-ports 12300 -m ttl ! --ttl 42
c : mux wrote: 15/15
c : mux wrote: 15/15
c : Waiting: 3 r=[3, 5, 9] w=[] x=[] (fullness=14/0)
 s:   Ready: 1 r=[4] w=[] x=[]
 s: <  channel=0 cmd=PING len=7
 s:  > channel=0 cmd=PONG len=7 (fullness=21)
 s: mux wrote: 15/15
 s: Waiting: 1 r=[4] w=[] x=[] (fullness=28/0)
c :   Ready: 3 r=[9] w=[] x=[]
c : <  channel=0 cmd=PONG len=7
c : received PING response
c : Waiting: 3 r=[3, 5, 9] w=[] x=[] (fullness=0/0)
 s:   Ready: 1 r=[4] w=[] x=[]
 s: <  channel=0 cmd=PONG len=7
 s: received PING response
 s: Waiting: 1 r=[4] w=[] x=[] (fullness=0/0)
c :   Ready: 3 r=[5] w=[] x=[]
c : DNS request from ('192.168.0.103', 41148): 34 bytes
c :  > channel=1 cmd=DNS_REQ len=34 (fullness=0)
c : mux wrote: 42/42
c : Waiting: 3 r=[3, 5, 9] w=[] x=[] (fullness=34/0)
 s:   Ready: 1 r=[4] w=[] x=[]
 s: <  channel=1 cmd=DNS_REQ len=34
 s: Incoming DNS request.
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "assembler.py", line 26, in <module>
  File "server.py", line 235, in main
  File "ssnet.py", line 555, in runonce
  File "ssnet.py", line 457, in callback
  File "ssnet.py", line 445, in handle
  File "ssnet.py", line 384, in got_packet
  File "server.py", line 223, in dns_req
  File "server.py", line 119, in __init__
  File "server.py", line 126, in try_send
  File "/usr/lib/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
socket.gaierror: [Errno -9] Address family for hostname not supported
c :   Ready: 3 r=[9] w=[] x=[]
firewall manager: undoing changes.
>> iptables -t nat -D OUTPUT -j sshuttle-12300
>> iptables -t nat -D PREROUTING -j sshuttle-12300
>> iptables -t nat -F sshuttle-12300
>> iptables -t nat -X sshuttle-12300
c : fatal: server died with error code 1

[Brian May]

Just guessing here, does the server have IPv6 addresses in
/etc/resolv.conf?

It looks like sshuttle doesn't cope very well with this case - it
creates an IPv4 socket and then uses it to try and connect to the IPv6
address. Yes, it should be able to cope better.
--
Brian May <br...@microcomaustralia.com.au>