Am Dienstag, 15. Oktober 2019, 19:23:57 CEST schrieb Andreas Günther: > > That I have seen today when I was reading your documentation today. > > When the firewall is correctly running in your view, so I have search the > refused connection at Icinga. Apart from the connection behavior on the > host, as just shown.
Hi,
my problem isn't still solved. I have checked Icinga2 on the host and tested
the same configuration on another KVM-Guest 192.168.200.7 in a seperate
network 192.168.200.0 without any firewall with a Icinga client 192.168.200.2.
There aren't any connections problems.
On my Host Icinga is listening:
# netstat -tlpn | grep 5665
tcp 0 0 0.0.0.0:5665 0.0.0.0:* LISTEN
3490/icinga2
My rules für tcp/5665 looks like
0 0 ACCEPT tcp -- * * 192.168.1.66 192.168.1.70
tcp dpt:5665
1 60 ACCEPT tcp -- * * 192.168.1.70 192.168.1.66
tcp dpt:5665
Now I try to get on the client the certificate from Icinga like
mx:~ # openssl s_client -connect 192.168.1.66:5665
140635865412736:error:0200206F:system library:connect:Connection
refused:../crypto/bio/b_sock2.c:110:
140635865412736:error:2008A067:BIO routines:BIO_connect:connect
error:../crypto/bio/b_sock2.c:111:
connect:errno=111
At the same time in the log of shorewall I see:
neckar:/etc/shorewall # shorewall show log | grep '192.168.1.66'
Oct 18 12:45:10 Shorewall:loc-fw:REJECT:IN=vmbr1 OUT= SRC=192.168.1.70
DST=192.168.1.66 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=44700 DF PROTO=TCP
SPT=42882 DPT=5665 WINDOW=29200 RES=0x00 SYN URGP=0
The same from the host looks like
neckar:/etc/shorewall # openssl s_client -connect 192.168.1.66:5665
CONNECTED(00000003)
Can't use SSL_get_servername
depth=1 CN = Icinga CA
verify error:num=19:self signed certificate in certificate chain
verify return:1
depth=1 CN = Icinga CA
verify return:1
depth=0 CN = neckar.germany.com
verify return:1
...
I don't believe anymore on a problem at Icinga, it is something with
shorewall. But I don't know what.
Could it have something to do with the options or missing options in
interfaces?
#ZONE INTERFACE OPTIONS
net $NET_IF dhcp,routefilter,tcpflags
loc $LOC_IF routeback,bridge
Best regards
Andreas
shorewall_dump.txt.bz2
Description: application/bzip
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