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| version 1.20, 2007/03/06 14:39:04 | version 1.21, 2007/03/06 14:44:50 | ||
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| <li>New functionality: | <li>New functionality: | ||
| <ul> | <ul> | ||
| <li> | <li>the IP_RECVTTL | ||
| <a href="http://www.openbsd.org/cgi-bin/man.cgi?ip=moscom&sektion=4">ip(4)</a> | |||
| socket option allows programs to receive the incoming ttl on raw and udp sockets. | |||
| <li>the IP_MINTTL | |||
| <a href="http://www.openbsd.org/cgi-bin/man.cgi?ip=moscom&sektion=4">ip(4)</a> | |||
| socket option allows programs to ask the kernel to discard any packets with a ttl | |||
| smaller than the given one, for implementing the IP TLL security hack aka the Generalized | |||
| TTL Security Mechanism specified in RFC 3682. | |||
| </ul> | </ul> | ||
| <p> | <p> | ||