summaryrefslogtreecommitdiff
path: root/flowtop.8
diff options
context:
space:
mode:
authorVadim Kochan <vadim4j@gmail.com>2015-07-02 21:41:20 +0300
committerTobias Klauser <tklauser@distanz.ch>2015-07-07 09:07:09 +0200
commit005a06f6e838bb2d3103985415486b3714f73d23 (patch)
treedec0019433abd47b35400d611ff7280cbbf1b877 /flowtop.8
parente3bd65b7eaa5b47b4029f92e909a6aae4fbdb152 (diff)
flowtop man: Add note about activating netfilter connection tracking
Add the same note about using iptables to activate conntrack as it is already described in 'flowtop -h', just to keep it in the man page too. Signed-off-by: Vadim Kochan <vadim4j@gmail.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'flowtop.8')
-rw-r--r--flowtop.813
1 files changed, 11 insertions, 2 deletions
diff --git a/flowtop.8 b/flowtop.8
index 761f4a7..c850f12 100644
--- a/flowtop.8
+++ b/flowtop.8
@@ -37,7 +37,15 @@ The following information will be presented in flowtop's output:
* Transport protocol state machine information
.PP
In order for flowtop to work, netfilter must be active and running
-on your machine, thus kernel-side connection tracking is active.
+on your machine, thus kernel-side connection tracking is active. If netfilter
+is not running, you can activate it with iptables(8):
+.in +4
+.sp
+iptables -A INPUT -p tcp -m state --state ESTABLISHED -j ACCEPT
+.sp
+iptables -A OUTPUT -p tcp -m state --state NEW,ESTABLISHED -j ACCEPT
+.in -4
+
.PP
flowtop's intention is just to get a quick look over your active connections.
If you want logging support, have a look at netfilter's conntrack(8) tools
@@ -125,7 +133,8 @@ Borkmann <dborkma@tik.ee.ethz.ch>.
.BR ifpps (8),
.BR bpfc (8),
.BR astraceroute (8),
-.BR curvetun (8)
+.BR curvetun (8),
+.BR iptables (8)
.PP
.SH AUTHOR
Manpage was written by Daniel Borkmann.