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2001-09-21Fix natlook (broke ftp-proxy) and a memory leak.Daniel Hartmeier
From Ryan McBride.
2001-09-20document why we use random()Theo de Raadt
2001-09-20occured->occurredMike Pechkin
idea from deraadt@ via NetBSD millert@ ok
2001-09-20the use of arc4random() in ether_ifattach() is wrong as randomattach()Peter Galbavy
has not yet been called at this point. replace arc4random() with the more mundae random()&0xff as the use of a strong PRNG is not need here, where this code just helps fix up broken MAC addresses anyway now to find the real problem with my sis(4) LAN interface... ok'd by jason@
2001-09-19Patch from Ryan McBride. Compile without INET6, remove unnecessaryDaniel Hartmeier
rewrite++.
2001-09-17icmpv6 nat fix, from Ryan McBrideDaniel Hartmeier
2001-09-16Add some missing lengths checks when passing data from userland toTodd C. Miller
kernel. From based on NetBSD patches.
2001-09-15The inner protocol of IPv4 ICMP error messages was ignored, leading toDaniel Hartmeier
'ICMP error message for bad proto' messages and breaking traceroute etc. Please increase debugging level (pfctl -x m) while testing.
2001-09-15Revert the sleep priority to something more saneMike Frantzen
(the previous priority didn't help performance in tests on a hacked up BPF and it weighed down the load average)
2001-09-15Don't use m_pkthdr.rcvif in pflog_packet(), it doesn't work for outgoingDaniel Hartmeier
packets and is obviously invalid (and not NULL) for IPv6 packets (hence crashed). Pass ifp down instead. sizeof(ih) instead of sizeof(&ih) for pf_pull_hdr() from pf_test6().
2001-09-15IPv6 support from Ryan McBride (mcbride@countersiege.com)Mike Frantzen
2001-09-14binat non icmp/udp/tcp protocols as well; ok dhartmei@jasoni
2001-09-11Undo BINAT translation when blocking with return-rst/-icmp.Daniel Hartmeier
Translate at most once. From Ryan McBride.
2001-09-08initialize variable and more careful bounts checking; okay frantzen@Niels Provos
2001-09-06Reflect skip step changes. Spotted by Ryan McBride.Daniel Hartmeier
2001-09-061:1 bidrectional NAT (binat); ok dhartmei@ and frantzen@jasoni
2001-09-05Handle uh_sum == 0x0000 correctly. Before, UDP packet checksums wereDaniel Hartmeier
broken by NAT/RDR when unset by the sender. Fixes ntpdate behind NAT.
2001-09-05s/pf_natlook/pfioc_natlook (ioctl parameter struct)Daniel Hartmeier
2001-09-04Add skip steps for interface (ifp).Daniel Hartmeier
2001-09-04#define empty PFLOG_PACKET correctly (no side effects). Closes PR2044.Daniel Hartmeier
From Claus Assmann.
2001-09-01Inherit baudrate from parent. Now MRTG will show vlan interfaces ;)Chris Cappuccio
2001-08-31Forgot to commit frag expire tuning beforeMike Frantzen
Check for a short ip_hl. Could have caused proto headers to overlap IP header.
2001-08-28Add new ioctls to securelevel check, from Can Erkin AcarDaniel Hartmeier
<canacar@eee.metu.edu.tr>
2001-08-28Bump state timeouts and allow tweaking them from pfctl.Mike Frantzen
(The state timeouts need some _serious_ tuning)
2001-08-262nd uninitialized variable that bit me todayNiklas Hallqvist
2001-08-25PF ISN randomization. Or in trekkie techno-babble, ISN phase modulation.Mike Frantzen
2001-08-22Correct the setup of the intial TCP state window and pre-validate th_ackMike Frantzen
on an FIN|ACK close if the client has never responded.
2001-08-22Fix panic in pf (was my fault) caused by a bad key compare optimizationMike Frantzen
Add debug output to track loose state matches
2001-08-21KNFTheo de Raadt
2001-08-21cut/pasto in rule flushing code (using wrong list); base on patch from Henk ↵Jason Wright
van Lingen <henk@vanlingen.net>
2001-08-21Add support for SIOCADDMULTI & SIOCDELMULTI; NetBSDbrian
2001-08-21Pass closing TCP connections through looser state machine (handle Solaris'Mike Frantzen
stupid spurious ACK|FINs after a close)
2001-08-19Add new ioctls for adding/removing RDR and NAT rules to/from the activeDaniel Hartmeier
rule sets.
2001-08-19Quick optimization of pf_tree_key_compare (should half the instruction count)Mike Frantzen
2001-08-19Make more money for mickey (count entire IP packets for statistics, not justDaniel Hartmeier
inner data).
2001-08-19Yet another batch of improvements and un-fuckups to the TCP state code.Mike Frantzen
Improved the state miss debug messages to cover the new checks.
2001-08-19Add per-rule byte counter, so mickey can do accounting. We're counting theDaniel Hartmeier
data part (without IP and TCP/UDP/ICMP headers), like the state counter does.
2001-08-19Add per-rule statistics (number of evaluations and number of packets).Daniel Hartmeier
Packets passed statefully will be counted using the rule that created the state.
2001-08-19Unfuck some TCP state stuff that would drop the SYN|ACK.Mike Frantzen
Enumerated the TCP states. Here's a mapping new->old tcp states if anyone gives a shit: TCPS_CLOSED 0 TCPS_SYN_SENT 1 TCPS_ESTABLISHED 2 TCPS_CLOSING 3 TCPS_FIN_WAIT_2 4 TCPS_TIME_WAIT 5
2001-08-19compile w/out INETJason Wright
2001-08-19Loosened TCP state code which should allow stupid stacks to shotgun theirMike Frantzen
SYNs and provide better handling for pre-existing connections.
2001-08-18Add new ioctl for adding/removing individual rules to/from the active rule set.Daniel Hartmeier
2001-08-18make pfctl -s state SCREAM; frantzen is now happyTheo de Raadt
2001-08-12now, that kernel compiles, i can go get an ash tray somewhereMichael Shalayeff
2001-08-11Add support for ICMP errors referring to ICMP queries/replies. FixesDaniel Hartmeier
'ICMP error message for bad proto' messages. Reported by Mark Grimes and Steve Rumble. Add debugging level with ioctl interface and pfctl switch. Default is 'None'.
2001-08-05Actually, move the check inside the switch.Angelos D. Keromytis
2001-08-05Only flush the policies if the message type is UNSPEC.Angelos D. Keromytis
2001-08-03Use IFCAP_VLAN_MTU and IFCAP_VLAN_HWTAGGING capabilities:Chris Cappuccio
LINK0 disappears; we now set IFCAP_VLAN_HWTAGGING at ifnet->if_capabilities in the Ethernet driver for cards/drivers which support hardware tagging. MTU ambiguity disppears; we now set IFCAP_VLAN_MTU in the Ethernet driver when we know the chip will not truncate/discard vlan-sized frames. Only allow the MTU to be changed within the scope of the parent interface's MTU. (Here we also take into account IFCAP_VLAN_MTU) Propagate hardware-assisted IP/TCP/UDP checksumming flags to the vlan interface if the card supports hardware tagging (from NetBSD)
2001-08-03simplify previous fix (0-length mbuf in mbuf chain). from freebsdJun-ichiro itojun Hagino
2001-08-02do not exit loop even if m_len == 0. it is legal to have an mbuf withJun-ichiro itojun Hagino
m_len == 0 in mbuf chain.