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e4bb5b0572
freebsd-dev/sys
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Jonathan Lemon e4bb5b0572 Allow ICMP unreachables which map into PRC_UNREACH_ADMIN_PROHIB to 
reset TCP connections which are in the SYN_SENT state, if the sequence
number in the echoed ICMP reply is correct.  This behavior can be
controlled by the sysctl net.inet.tcp.icmp_may_rst.

Currently, only subtypes 2,3,10,11,12 are treated as such
(port, protocol and administrative unreachables).

Assocaiate an error code with these resets which is reported to the
user application: ENETRESET.

Disallow resetting TCP sessions which are not in a SYN_SENT state.

Reviewed by: jesper, -net
2001-02-23 20:51:46 +00:00
..
alpha Rename switch_trampoline() to fork_trampoline() on the alpha and ia64. 2001-02-22 16:56:53 +00:00
amd64 Activate USER_LDT by default. The new thread libraries are going to 2001-02-23 01:25:02 +00:00
arm/include Correct disordering which is corresponding to bde's fix to 2001-02-17 14:51:11 +00:00
boot Whenever the user might be offered a chance to quit through 2001-02-22 11:22:14 +00:00
cam Restore a print_sense=FALSE that got nuked by accident in last delta. 2001-02-22 06:43:42 +00:00
coda Mechanical change to use <sys/queue.h> macro API instead of 2001-02-04 13:13:25 +00:00
compat o Move per-process jail pointer (p->pr_prison) to inside of the subject 2001-02-21 06:39:57 +00:00
compile
conf If the symbolic links @ or machine exist, do not depend on them. 2001-02-23 04:49:31 +00:00
contrib/dev Patch the reintroduced (~0 << 32) == 1 bug with a cryptic but functional 2001-02-02 08:31:50 +00:00
crypto Initial import of AES algorithm code (aka Rijndael) from KAME. 2000-10-30 11:03:32 +00:00
ddb Use macro API for <sys/queue.h> 2000-12-30 22:06:19 +00:00
dev Additional enhancments to allow IBM Etherjet cards to be probed, 2001-02-23 08:08:21 +00:00
fs Display the Joliet Extension 'level' in the log message. 2001-02-23 03:43:05 +00:00
geom Fix a braino in ccd's clone routine. 2001-01-29 06:18:14 +00:00
gnu Preceed/preceeding are not english words. Use precede or preceding. 2001-02-18 10:25:42 +00:00
i4b Preceed/preceeding are not english words. Use precede or preceding. 2001-02-18 10:25:42 +00:00
i386 Activate USER_LDT by default. The new thread libraries are going to 2001-02-23 01:25:02 +00:00
ia64 Axe pcb_schednest as it is no longer used. 2001-02-22 17:09:50 +00:00
isa Fixed style bugs in clock.c rev.1.164 and cpu.h rev.1.52-1.53 -- declare 2001-02-19 03:00:34 +00:00
isofs/cd9660 Display the Joliet Extension 'level' in the log message. 2001-02-23 03:43:05 +00:00
kern Fix typo in comment (knode -> knote). 2001-02-23 20:32:42 +00:00
libkern RIP <machine/lock.h>. 2001-02-11 10:44:09 +00:00
miscfs o Move per-process jail pointer (p->pr_prison) to inside of the subject 2001-02-21 06:39:57 +00:00
modules Add a 'splitter' node to separate a bidirectional 2001-02-22 17:14:36 +00:00
msdosfs Change and clean the mutex lock interface. 2001-02-09 06:11:45 +00:00
net o Move per-process jail pointer (p->pr_prison) to inside of the subject 2001-02-21 06:39:57 +00:00
netatalk Mechanical change to use <sys/queue.h> macro API instead of 2001-02-04 13:13:25 +00:00
netatm Preceed/preceeding are not english words. Use precede and preceding. 2001-02-18 10:43:53 +00:00
netgraph Shuffle sysctls a bit (thankyou whoever made them dynamic for modules) 2001-02-23 16:34:22 +00:00
netinet Allow ICMP unreachables which map into PRC_UNREACH_ADMIN_PROHIB to 2001-02-23 20:51:46 +00:00
netinet6 Better detection of duplicated initialization. 2001-02-20 10:23:25 +00:00
netipx Another round of the <sys/queue.h> FOREACH transmogriffer. 2001-02-04 16:08:18 +00:00
netkey fixed possibility of panic at key_acquire(). 2001-01-14 17:25:08 +00:00
netnatm Mechanical change to use <sys/queue.h> macro API instead of 2001-02-04 13:13:25 +00:00
netncp Implement m_getm() which will perform an "all or nothing" mbuf + cluster 2001-02-14 05:13:04 +00:00
netns * Rename M_WAIT mbuf subsystem flag to M_TRYWAIT. 2000-12-21 21:44:31 +00:00
nfs Switch to using a struct xucred instead of a struct xucred when not 2001-02-18 13:30:20 +00:00
nfsclient Switch to using a struct xucred instead of a struct xucred when not 2001-02-18 13:30:20 +00:00
nfsserver Switch to using a struct xucred instead of a struct xucred when not 2001-02-18 13:30:20 +00:00
ntfs Change and clean the mutex lock interface. 2001-02-09 06:11:45 +00:00
nwfs Change and clean the mutex lock interface. 2001-02-09 06:11:45 +00:00
pc98 Activate USER_LDT by default. The new thread libraries are going to 2001-02-23 01:25:02 +00:00
pccard Move ti1031 to the 16-bit bridge section 2001-02-07 01:16:40 +00:00
pci Apply patch to allow TX underrun handling without issuing a complete 2001-02-22 19:26:55 +00:00
posix4 Lock need_resched with sched_lock. 2001-02-22 13:46:09 +00:00
powerpc Rename switch_trampoline() to fork_trampoline() on the alpha and ia64. 2001-02-22 16:56:53 +00:00
rpc
svr4 This patchset fixes a large number of file descriptor race conditions. 2000-11-18 21:01:04 +00:00
sys Add a NOTE_REVOKE flag for vnodes, which is triggered from within vclean(). 2001-02-23 20:06:01 +00:00
tools Simplify this a bit so that it doesn't have to generate silly redundant 2000-12-06 06:59:38 +00:00
ufs Add a NOTE_REVOKE flag for vnodes, which is triggered from within vclean(). 2001-02-23 20:06:01 +00:00
vm Introduce per-swap area accounting in the VM system, and export 2001-02-23 18:46:21 +00:00
Makefile