From 9bed87a72ea37ac55b24cfb37c7b5d28d7d06837 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Sun, 7 Jun 2020 21:32:24 +0200 Subject: doc: manual: fix conntrack examples > (1) The mark in the command line is '10', not '1'. > (2) The dport in the example is '993', not '3486' and not '34846'. ... text says "has been deleted"; but conntrack prints "have been deleted" Signed-off-by: Pablo Neira Ayuso --- doc/manual/conntrack-tools.tmpl | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) (limited to 'doc') diff --git a/doc/manual/conntrack-tools.tmpl b/doc/manual/conntrack-tools.tmpl index 54e5237..9af0b3f 100644 --- a/doc/manual/conntrack-tools.tmpl +++ b/doc/manual/conntrack-tools.tmpl @@ -171,30 +171,30 @@ # cat /proc/net/ip_conntrack - tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 secmark=0 use=1 - tcp 6 431698 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34849 dport=993 packets=244 bytes=18723 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34849 packets=203 bytes=144731 [ASSURED] mark=0 secmark=0 use=1 + tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 use=1 + tcp 6 431698 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34849 dport=993 packets=244 bytes=18723 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34849 packets=203 bytes=144731 [ASSURED] mark=0 use=1 The command line tool conntrack can be used to display the same information: # conntrack -L - tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 secmark=0 use=1 - tcp 6 431698 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34849 dport=993 packets=244 bytes=18723 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34849 packets=203 bytes=144731 [ASSURED] mark=0 secmark=0 use=1 -conntrack v0.9.7 (conntrack-tools): 2 flow entries have been shown. + tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 use=1 + tcp 6 431698 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34849 dport=993 packets=244 bytes=18723 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34849 packets=203 bytes=144731 [ASSURED] mark=0 use=1 +conntrack v1.4.6 (conntrack-tools): 2 flow entries have been shown. You can natively filter the output without using grep: - # conntrack -L -p tcp --dport 34856 - tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 secmark=0 use=1 -conntrack v0.9.7 (conntrack-tools): 1 flow entries have been shown. + # conntrack -L -p tcp --dport 993 + tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=0 use=1 +conntrack v1.4.6 (conntrack-tools): 1 flow entries have been shown. Update the mark based on a selection, this allows you to change the mark of an entry without using the CONNMARK target: - # conntrack -U -p tcp --dport 3486 --mark 10 - tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=1 secmark=0 use=1 -conntrack v0.9.7 (conntrack-tools): 1 flow entries has been updated. + # conntrack -U -p tcp --dport 993 --mark 10 + tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=10 use=1 +conntrack v1.4.6 (conntrack-tools): 1 flow entries have been updated. Delete one entry, this can be used to block traffic if: @@ -204,9 +204,9 @@ conntrack v0.9.7 (conntrack-tools): 1 flow entries has been updated. - # conntrack -D -p tcp --dport 3486 - tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=1 secmark=0 use=1 -conntrack v0.9.7 (conntrack-tools): 1 flow entries has been deleted. + # conntrack -D -p tcp --dport 993 + tcp 6 431982 ESTABLISHED src=192.168.2.100 dst=123.59.27.117 sport=34846 dport=993 packets=169 bytes=14322 src=123.59.27.117 dst=192.168.2.100 sport=993 dport=34846 packets=113 bytes=34787 [ASSURED] mark=10 use=1 +conntrack v1.4.6 (conntrack-tools): 1 flow entries have been deleted. Display the connection tracking events: -- cgit v1.2.3