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See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + diff --git a/TODO b/TODO new file mode 100644 index 0000000..be390ee --- /dev/null +++ b/TODO @@ -0,0 +1,26 @@ +Signatures: + + - More SYN sigs, + + - A lot more SYN+ACK signatures, + + - A lot more server signatures - maybe write a tool. + +Modules: + + - SMTP + + - FTP + + - POP3 + + - IMAP + + - SSH + + - SSL + +Misc: + + - Manpage. + diff --git a/existential-notes.txt b/existential-notes.txt new file mode 100644 index 0000000..35cbba4 --- /dev/null +++ b/existential-notes.txt @@ -0,0 +1,29 @@ +----------------------------- +Some random food for thought: +----------------------------- + +1) If you run p0f on any reasonably popular server, you will probably see quite + a few systems that seem to be leaking memory in TCP headers (e.g. ACK number + or second timestamp set on SYN packets, URG pointer without URG flag, etc). + You will also see HTTP traffic with non-stripped Proxy-Authorization headers + and other hilarious abnormalities. + + Unfortunately, pinpointing the sources of many of these leaks is pretty hard; + they often trace to proprietary corporate proxies and firewalls, and unless + it's *your* proxy or firewall, you won't be finding out more. If you wish to + put some investigative effort into this, there are quite a few bugs waiting + to be tracked down, though :-) + +2) After some hesitation, I decided *against* the inclusion of encrypted traffic + classification features into p0f. Timing, packet size, and direction + information lets you, for example, reliably differentiate between interactive + SSH sessions and SFTP uploads or downloads; automated and human password + entry attemps; or failed and successful auth. + + The same goes for SSL: you can tell normal HTTPS browsing from file uploads, + from attempts to smuggle, say, PPP over SSL. In the end, however, it seems + like stretch to cram it into p0f; one day, I might improve my ancient 'fl0p' + tool, instead: + + http://lcamtuf.coredump.cx/soft/fl0p-devel.tgz + diff --git a/extra-sigs.txt b/extra-sigs.txt new file mode 100644 index 0000000..5635110 --- /dev/null +++ b/extra-sigs.txt @@ -0,0 +1,73 @@ +These need to be investigated: + +# AVM FritzBox 7112 w/ BusyBox Linux - sendsyn response +4:64+0:0:1460:mss*4,0:mss:df:0 +4:64+0:0:1460:mss*4,1:mss,nop,ws:df:0 +4:64+0:0:1460:mss*4,1:mss,nop,nop,sok,nop,ws:df:0 +4:64+0:0:1460:mss*4,1:mss,sok,ts,nop,ws:df:0 +4:64+0:0:1460:mss*4,1:mss,nop,nop,ts,nop,ws:df:0 +4:64+0:0:1460:mss*4,0:mss,nop,nop,sok:df:0 +4:64+0:0:1460:mss*4,0:mss,sok,ts:df:0 +4:64+0:0:1460:mss*4,0:mss,nop,nop,ts:df:0 + +# LaCIE Network storage - sendsyn response +4:64+0:0:1460:mss*4,0:mss,nop,nop,sok:df:0 +4:64+0:0:1460:mss*4,0:mss,sok,ts:df:0 +4:64+0:0:1460:mss*4,0:mss,nop,nop,ts:df:0 + +# HP LaserJet printer CP1515 - sendsyn response +4:64+0:0:*:mss*7,0:mss,nop,nop,sok::0 +4:64+0:0:*:mss*7,0:mss,nop,nop,sok,nop,nop,ts::0 +4:64+0:0:*:mss*7,0:mss,nop,nop,ts::0 + +# HP LaserJet printer CP1515 - http response +1:Server,Transfer-Encoding=[chunked],Content-Type,?Expires,?Cache-Control:Connection,Keep-Alive,Accept-Ranges,Date:Virata-EmWeb/R6_2_1 +1:Server,?Content-Length,Content-Type,?ETag,?Last-Modified,?Cache-Control:Connection,Keep-Alive,Accept-Ranges,Date:Virata-EmWeb/R6_2_1 +1:Server,Transfer-Encoding=[chunked],Content-Type,?Expires,?Cache-Control:Connection,Keep-Alive,Accept-Ranges,Date:Virata-EmWeb/R6_2_1 + +Cherokee 1.0.8-5: +1:Connection=[Keep-Alive],Keep-Alive=[timeout=15],Date,Server,?Content-Length,Content-Type,?Cache-Control,?Pragma:Accept-Ranges:Cherokee/1.0.8 (Debian GNU/Linux) + +AOLserver 4.5.1-12: +1:MIME-Version=[1.0],Date,Server,Content-Type,?Content-Length,Connection=[close]:Keep-Alive,Accept-Ranges:AOLserver/4.5.1 + +BOA 0.94.14rc21-3.1: +1:Date,Server,Accept-Ranges=[bytes],Connection=[close],Content-Type:Keep-Alive:Boa/0.94.14rc21 + +Yaws 1.88-2: +1:Connection=[close],Server,Date,?Content-Length,Content-Type:Keep-Alive,Accept-Ranges:Yaws/1.88 Yet Another Web Server + +Ocsigen 1.3.3-1squeeze1: +1:accept-ranges=[none],cache-control=[no-cache],content-type=[text/html; charset=iso-8859-1],date=[Wed, 18 Jan 2012 09:32:55 GMT],expires=[0],server=[Ocsigen],transfer-encoding=[chunked]:Content-Type,Connection,Keep-Alive,Accept-Ranges,Date: + +dhttpd 1.02a-18: +0:Date,Server,Content-type=[text/html]:Content-Type,Connection,Keep-Alive,Accept-Ranges:dhttpd/1.02a + +thttpd 2.25b-11: +1:Server,Content-Type,Date,?Last-Modified,Accept-Ranges=[bytes],Connection=[close]:Keep-Alive:thttpd/2.25b 29dec2003 + +------------ + +uhttpd version 7 (running on OpenWrt): +0::Content-Type,Connection,Keep-Alive,Accept-Ranges,Date: + +Cherokee 1.0.8-5: +0:Connection=[close],Date,Server,Content-Type:Keep-Alive,Accept-Ranges:Cherokee/1.0.8 (Debian GNU/Linux) + +AOLserver 4.5.1-12: +0:MIME-Version=[1.0],Date,Server,Content-Type,?Content-Length,Connection=[close]:Keep-Alive,Accept-Ranges:AOLserver/4.5.1 + +BOA 0.94.14rc21-3.1: +0:Date,Server,Accept-Ranges=[bytes],Connection=[close],?Last-Modified,Content-Type:Keep-Alive:Boa/0.94.14rc21 + +Ocsigen 1.3.3-1squeeze1: +1:accept-ranges=[none],cache-control=[no-cache],content-type=[text/html; charset=iso-8859-1],date=[Tue, 17 Jan 2012 22:46:08 GMT],expires=[0],server=[Ocsigen]:Content-Type,Connection,Keep-Alive,Accept-Ranges,Date: + +dhttpd 1.02a-18: +0:Date,Server,Content-type=[text/html]:Content-Type,Connection,Keep-Alive,Accept-Ranges:dhttpd/1.02a + +Yaws 1.88-2: +1:Connection=[Keep-Alive],Server,Date,?Last-Modified,Etag=["2nu+xcAAGwK"],?Content-Length,Content-Type:Keep-Alive,Accept-Ranges:Yaws/1.88 Yet Another Web Server + +thttpd 2.25b-11: +0:Server,Content-Type,Date,?Last-Modified,Accept-Ranges=[bytes],Connection=[close]:Keep-Alive:thttpd/2.25b 29dec2003