Stephen - I can't thank you enough for the clarification. I's a great help to my understanding of how Tor interacts with ISPs. - eli
On 9/20/2012 3:24 PM, Stephen Mollett wrote: > Hi Eli, > > On Thursday, 20 September 2012, 13:25, eliaz <[email protected]> wrote: > >> ... >> Sep 20 07:33:43.872 [Info] resolve_my_address(): Guessed local hostname >> '<NAME>' resolves to a private IP address (<ISP address>). >> Trying something else. >> Sep 20 07:33:43.872 [Info] resolve_my_address(): Interface IP address >> '<LAN address>' is a private address too. Ignoring. >> ... > >> In particular, what does it mean that the <LAN address> is being >> identified as private? > > > "Private address" in the context of an IP address usually refers to an > address in one of the reserved ranges which are set aside for use on private > networks and which can't be routed to over the internet. These ranges are > 192.168.*.* (the commonest one, used by most home routers when issuing > addresses to clients), 10.*.*.* (fairly common, especially in corporate > networks) and 172.16.*.*-172.31.*.* (not seen very often). > 100.64.*.*-100.127.*.* is also reserved for ISPs to use, primarily to help > ease the transition from the old-style 32-bit IPv4 addressing system > (addresses that look like 173.194.69.99 which is one of the addresses for > www.google.com) to 128-bit IPv6 addresses (which look like > 2a00:1450:4008:c01::68 - also www.google.com). > > > It's not surprising that your LAN address is a private one (most likely in > 192.168.0.* or 192.168.1.* depending on what router you have); your ISP may > also be using private addresses, at least for its residential customers. If > your ISP does allocate you a private address, your reachability from the > public internet is largely dependent on how their NAT and firewalling system > works. Publishing the private address won't work, though, as it could be used > by many different ISPs (or even multiple times by the same ISP!) > > > Hope this sheds a little light on the log entries. > > Stephen > > > -- gpg: 0x3E346824 _______________________________________________ tor-relays mailing list [email protected] https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
