[Spce-user] Possible Bug? - NGCP Firewall in mr6.5.3
Hohl Matthias
matthias.hohl at telematica.at
Tue Apr 2 09:57:19 EDT 2019
Ah and the logging for the firewall log… unter var/log/firewall.log is still not working… no entries there, even no file.
Von: Spce-user <spce-user-bounces at lists.sipwise.com> Im Auftrag von Hohl Matthias
Gesendet: Dienstag, 2. April 2019 15:39
An: 'Richard Fuchs' <rfuchs at sipwise.com>; spce-user at lists.sipwise.com
Betreff: Re: [Spce-user] Possible Bug? - NGCP Firewall in mr6.5.3
Okay after doing ngcp-update it looks stable right now…
Just eth0 and eth1 thing is now open…
Von: Spce-user <spce-user-bounces at lists.sipwise.com <mailto:spce-user-bounces at lists.sipwise.com> > Im Auftrag von Hohl Matthias
Gesendet: Dienstag, 2. April 2019 15:31
An: 'Richard Fuchs' <rfuchs at sipwise.com <mailto:rfuchs at sipwise.com> >; spce-user at lists.sipwise.com <mailto:spce-user at lists.sipwise.com>
Betreff: Re: [Spce-user] Possible Bug? - NGCP Firewall in mr6.5.3
Oh okay…
Last update i did 2 weeks ago.
It looks like no fixes in there…
I will do the update immediately.
Btw: what about my ETH1 interface?
How can I enable my standard rules also for eth1?
thanks
Von: Spce-user <spce-user-bounces at lists.sipwise.com <mailto:spce-user-bounces at lists.sipwise.com> > Im Auftrag von Richard Fuchs
Gesendet: Dienstag, 2. April 2019 15:24
An: spce-user at lists.sipwise.com <mailto:spce-user at lists.sipwise.com>
Betreff: Re: [Spce-user] Possible Bug? - NGCP Firewall in mr6.5.3
On 02/04/2019 09.18, Hohl Matthias wrote:
Hello,
i configured the new NGCP Firewall in my config.yml file and apply it with ngcpcfg apply and my iptables looks like this:
root at spce:~# iptables -L -n -v
Chain INPUT (policy ACCEPT 3139 packets, 517K bytes)
pkts bytes target prot opt in out source destination
3139 517K f2b-KAMAILIO all -- * * 0.0.0.0/0 0.0.0.0/0
3142 518K f2b-KAMAILIO all -- * * 0.0.0.0/0 0.0.0.0/0
3174 522K rtpengine all -- * * 0.0.0.0/0 0.0.0.0/0
Now I apply the iptables filter with iptables-apply. Now it looks like this:
root at spce:~# iptables -L -n -v
Chain INPUT (policy DROP 1 packets, 40 bytes)
pkts bytes target prot opt in out source destination
45 10017 f2b-KAMAILIO all -- * * 0.0.0.0/0 0.0.0.0/0
49 10197 f2b-KAMAILIO all -- * * 0.0.0.0/0 0.0.0.0/0
58 31203 rtpengine udp -- * * 0.0.0.0/0 0.0.0.0/0
53 26575 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0
45 9670 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 8
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 0
3 841 cluster all -- * * 0.0.0.0/0 0.0.0.0/0
1 761 ACCEPT udp -- eth0 * 0.0.0.0/0 0.0.0.0/0 udp dpt:5060 /* sip_ext */
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5060 /* sip_ext */
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5061 /* sip_ext */
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5222 /* sip_ext */
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5269 /* sip_ext */
0 0 ACCEPT udp -- eth0 * 0.0.0.0/0 0.0.0.0/0 udp dpts:30000:44999 /* rtp_ext */
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 /* web_ext */
0 0 ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:1443 /* web_int */
0 0 ACCEPT tcp -- eth0 * 92.42.136.52 0.0.0.0/0 tcp dpt:22 /* ssh_ext */
2 80 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 5/min burst 10 LOG flags 0 level 7 prefix "NGCPFW[DROP]: "
So far so good BUT if I reboot the machine now, the iptables policies are removed and it looks like before I did the “iptables-apply” command.
So I have to “iptables-apply” again, to have my iptables rules installed.
The iptables settings are not reboot resistant.
I read the handbook carefully several times, but can’t find a solution for this behavior. Is this a bug?
This was just recently fixed. Are your packages all up to date? Templates should be at least 6.5.3.19 and rtpengine should be at least 6.5.3.4.
Cheers
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