Displaying 7 results from an estimated 7 matches for "dstip".
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2002 May 10
1
Patch for SOCKS4A in OpenSsh
...d in in the SOCKS4
initiation packet.
See http://www.socks.nec.com/protocol/socks4a.protocol for details, and
here's a brief synopsis.
The SOCKS4 initiation packet looks like this:
+----+----+----+----+----+----+----+----+----+----+....+----+
| VN | CD | DSTPORT | DSTIP | USERID |NULL|
+----+----+----+----+----+----+----+----+----+----+....+----+
# of bytes: 1 1 2 4 variable 1
>For version 4A, if the client cannot resolve the destination host's domain
name to find its IP address, it should se...
2012 Apr 21
7
[Bug 782] New: -j LOG --log-prefix handling broken
...le, "NETFILTER drop ", it ends
up getting mangled to "--log-prefix".
excerpt from a file I feed to iptables-restore:
-A LDROP -d 255.255.255.255/32 -p udp -j DROP
-A LDROP -d 77.223.39.255/32 -p udp -j DROP
-A LDROP -m hashlimit --hashlimit-above 1/min --hashlimit-mode srcip,dstip
--hashlimit-burst 1 --hashlimit-name logldrop --hashlimit-htable-expire 60000
-j DROP
-A LDROP -m limit --limit 5/s -j LOG --log-prefix "NETFILTER drop "
--log-tcp-options --log-ip-options --log-uid --log-macdecode
-A LDROP -j DROP
iptables-restore succeeds. then:
# iptables -nvx --list...
2003 Apr 14
0
[Bug 77] a bug in the chain PREROUTING of the table nat
...rmal. The 'nat' table is traversed for
every _first_ packet of a connection. You can delete all nat rules, but
already-established connections will remain active (and NATed).
Due to the connectionless operation of UDP, we cannot tell UDP sessions apart if
they use the same (scrip,srcport,dstip,dstport) tuple.
Apart from that, your -t nat -I PREROUTING -j DROP rule will also only consider
the first packet of every connection.
It seems like you have some misunderstanding about the semantics.
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2007 Jun 20
2
iptables question
Hi all
Can iptables have log and deny rule together?
if no. how can I make a deny rule and log rule
and the log rule can limit the log entry eg: 200
if yes, how can I make it
I am using freebsd ipfw.
eg: ipfw add 22 deny log all from any to x.x.x.x
thank you
____________________________________________________________________________________
Take the Internet to Go: Yahoo!Go puts the
2013 Nov 06
1
Frequent RRL false negatives when using multiple server processes on Linux
...the same CPU, and configure process
scheduling to tie a single NSD server process to each of those CPUs.
(Too complex for us! And of course this has it's drawbacks, too, wrt
load distribution at least. And unfortunately our Intel igb NICs only
can choose the receive queue based on IPv4 srcip,dstip tuples but all
IPv6 packets end up always in the same queue.)
FWIW, the unblocking seems to be triggered every time by this, around
line 425 of rrl.c from nsd-3.2.16:
-----
} else if(now - b->stamp > 0) {
/* older bucket */
int olderblock = used_to_blo...
2003 Apr 08
2
OpenSSH 3.6.1p1 on NCR MP-RAS v4.3, several weird terminal problems
...pt/openssh/bin),
and also inserting /bin (which the telnet session lacked)
SSH: PATH=/usr/bin:/bin:/usr/sbin:/sbin:/opt/openssh/bin:/usr/ccs/bin
Telnet: PATH=/usr/bin:/usr/sbin:/usr/ccs/bin
+ Only the SSH session contains:
SSH_TTY=/dev/pts/xx
SSH_CONNECTION="srcIP srcport dstIP dstport"
SSH_CLIENT="srcIP srcport dstport"
USER=jlibove
+ The MAIL variable in the SSH session has an extra '/' in it:
MAIL=/var/mail//jlibove
compared to the telnet session
MAIL=/var/mail/jlibove
None of these seem critical, though the MAIL setting do...
2007 May 26
14
big problem with HTB/CBQ and CPU for more than 1.700 customers