search for: sc_iss

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2003 Apr 14
2
(OT) rfc1948 question
...to tcp_syncache.c I did not managed to find any rfc1948 related info in CVS log for this file. Maybe I just missed it. Then I just looked into my copy of tcp_syncache.c and found that: ;------------------Begin clipboard---------------------------- if (tcp_syncookies) sc->sc_iss = syncookie_generate(sc); else sc->sc_iss = arc4random(); ;--------------------End clipboard---------------------------- Is it the place where synack iss is generated? If yes, then why net.inet.tcp.syncookies sysctl is turned on by default? Is arc4random not enough random...