Date: Fri, 21 Jul 2000 16:26:38 -0700 (PDT) From: Jayanth Vijayaraghavan <jayanth@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/net route.h src/sys/netinet in_pcb.c tcp_input.c tcp_subr.c tcp_var.h Message-ID: <200007212326.QAA67617@freefall.freebsd.org>
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jayanth 2000/07/21 16:26:38 PDT
Modified files:
sys/net route.h
sys/netinet in_pcb.c tcp_input.c tcp_subr.c tcp_var.h
Log:
When a connection is being dropped due to a listen queue overflow,
delete the cloned route that is associated with the connection.
This does not exhaust the routing table memory when the system
is under a SYN flood attack. The route entry is not deleted if there
is any prior information cached in it.
Reviewed by: Peter Wemm,asmodai
Revision Changes Path
1.37 +2 -2 src/sys/net/route.h
1.67 +24 -3 src/sys/netinet/in_pcb.c
1.118 +9 -1 src/sys/netinet/tcp_input.c
1.79 +13 -1 src/sys/netinet/tcp_subr.c
1.61 +2 -1 src/sys/netinet/tcp_var.h
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