[tor-relays] New obfsproxy transport: scramblesuit [bridge operators: please upgrade!]

[Matt]

On Wed, 12 Feb 2014 18:29:26 +0000
Matt <matt at pagan.io> wrote:

> I installed obfsproxy through pip. Running Tor 0.2.5.1, I'm seeing
> this message:
> 
> [warn] Managed proxy at '/usr/local/bin/obfsproxy' failed the
> configuration protocol and will be destroyed.
> 
> That doesn't sound too great. What does this message mean?
> 

Here is more from the debug log:

Feb 12 16:38:27.000 [debug] onion_extend_cpath(): Path is complete: 3
steps long 
Feb 12 16:38:27.000 [debug] circuit_handle_first_hop():
Looking for firsthop '[redacted IPv4]:443' 
Feb 12 16:38:27.000 [debug] circuit_handle_first_hop(): Conn open.
Delivering first onion skin. 
Feb 12 16:38:27.000 [debug] circuit_send_next_onion_skin(): First skin;
sending create cell. 
Feb 12 16:38:27.000 [debug] circuit_get_by_circid_channel_impl():
circuit_get_by_circid_channel_impl() found nothing for circ_id
2147489864, channel ID 2 (0x2ba73fe349b0) 
Feb 12 16:38:27.000 [debug] circuit_deliver_create_cell(): Chosen
circID 2147489864. 
Feb 12 16:38:27.000 [debug] circuitmux_attach_circuit(): Attaching
circuit 2147489864 on channel 2 to cmux 0x2ba73f9a1c90 
Feb 12 16:38:27.000 [debug] circuitmux_attach_circuit(): Attaching
circuit 2147489864 on channel 2 to cmux 0x2ba73f9a1c90 
Feb 12 16:38:27.000 [debug] append_cell_to_circuit_queue(): Made a
circuit active. 
Feb 12 16:38:27.000 [info] circuit_send_next_onion_skin(): First hop:
finished sending CREATE cell to
'$5A0EF08FC99F236C5E48FB52E649F092088D009C=ganooloonix at [redacted
IPv4]' 
Feb 12 16:38:27.000 [debug] pt_configure_remaining_proxies():
Configuring remaining managed proxies (1)! 
Feb 12 16:38:27.000 [info] handle_proxy_line(): Got a line from managed
proxy '/usr/local/bin/obfsproxy': (VERSION 1) 
Feb 12 16:38:27.000 [info] handle_proxy_line(): Got a line from managed
proxy '/usr/local/bin/obfsproxy': (SMETHOD-ERROR obfs3 Could not set up
listener.) 
Feb 12 16:38:27.000 [warn] Server managed proxy encountered
a method error. (obfs3 Could not set up listener.) 
Feb 12 16:38:27.000 [warn] Managed proxy at '/usr/local/bin/obfsproxy'
failed the configuration protocol and will be destroyed. 
Feb 12 16:38:27.000 [info] tor_process_handle_destroy(): Terminated
process with PID '30355'. 
Feb 12 16:38:27.000 [info] mark_my_descriptor_dirty(): Decided
to publish new relay descriptor: configured managed proxies Feb 12
16:38:27.000 [debug] conn_write_callback(): socket 17 wants to write.
Feb 12 16:38:27.000 [debug] flush_chunk_tls(): flushed 1542 bytes, 0
ready to flush, 0 remain. 
Feb 12 16:38:27.000 [debug] connection_handle_write_impl(): After TLS
write of 1542: 0 read, 1589 written 
Feb 12 16:38:27.000 [debug] channel_write_packed_cell(): Writing
packed_cell_t 0x2ba7403cb698 to channel 0x2ba73fe349b0 with global ID 2
Feb 12 16:38:27.000 [debug] channel_flush_from_first_active_circuit():
Made a circuit inactive.