[Firehol-support] Blocked Traffic from port 993 and 443
phil at firehol.org
Wed Jun 29 13:54:02 BST 2016
On Wed, Jun 29, 2016 at 12:02:38PM +0200, Daniel Heckl wrote:
> firehol/iptables blocks frequent traffic from our Google IMAP Server and one update server with port 443.
> firehol: IN-internet:IN=eth0 OUT= MAC=00:21:5e:69:e6:3d:xx:xx:xx:xx:xx:xx:xx:xx SRC=64.233.xxx.xxx DST=10.xx.xx.xx LEN=40 TOS=0x00 PREC=0x00 TTL=48 ID=63784 PROTO=TCP SPT=993 DPT=58917 WINDOW=0 RES=0x00 RST URGP=0
> snipped from my firehol.conf:
> interface eth1 internet
> server imaps accept
> client imaps accept
> client https accept
> The opened ports for the https connection are in status (CLOSE_WAIT).
> Why is my traffic blocked?
Take a look at the FIREHOL_DROP_ORPHAN_TCP_... entries here:
Essentially the connection tracker is forgetting the connection before
the final packet is sent. You can use the variables to make firehol
silent on the subject.
Hope that helps
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