ru.unix.bsd

 
 - RU.UNIX.BSD ------------------------------------------------------------------
 From : Slawa Olhovchenkov                   2:5030/500     02 Sep 2005  12:55:24
 To : All
 Subject : Вести с полей
 -------------------------------------------------------------------------------- 
 

 
 andre       2005-08-22 16:13:09 UTC
 
   FreeBSD src repository
 
   Modified files:
     sys/netinet          in.h in_pcb.h ip_output.c raw_ip.c
                          tcp_input.c udp_usrreq.c
   Log:
   Add socketoption IP_MINTTL.  May be used to set the minimum acceptable
   TTL a packet must have when received on a socket.  All packets with a
   lower TTL are silently dropped.  Works on already connected/connecting
   and listening sockets for RAW/UDP/TCP.
 
   This option is only really useful when set to 255 preventing packets
   from outside the directly connected networks reaching local listeners
   on sockets.
 
   Allows userland implementation of 'The Generalized TTL Security Mechanism
   (GTSM)' according to RFC3682.  Examples of such use include the Cisco IOS
   BGP implementation command "neighbor ttl-security".
 
   MFC after:      2 weeks
   Sponsored by:   TCP/IP Optimization Fundraise 2005
 ... Это Вам не гифы по сайтам тыpить!
 --- GoldED+/BSD 1.1.5
  * Origin:  (2:5030/500)
 
 

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