Good day Falko
Thank you for the reply and input...
As it turns up I am utilizing Shorewall, IPTables and the ISPConfig FW, I didn't even consider that as a potential cause of network connectivity failure
I removed all FW rules possible from ISPConfig including POP, SMTP, HTTP & DNS.
After doing this I found that I had to add rules back to the ISPConfig FW for HTTP, SMTP, & SSH which I runs on :54000.
This was to re-enable access to these services.
Below are my current ISPConfig FW rules applied
My question will now come to what would be a best practice in the FW rules of Shorewall & IPTables.
Should I remove any similar rules from Shorewall and IPTables to avoid conflict with the FW of ISPConfig?
Alike in Shorewall wouldn't I need to modify '
/etc/shorewall/rules' ?
Below are Shorewall' /etc/shorewall/rules from this box...
Code:
#############################################################################################################
#ACTION SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE USER/
# PORT PORT(S) DEST LIMIT GROUP
ACCEPT net $FW tcp - - - -
ACCEPT net:65.197.209.3 $FW tcp 80 - - 20/sec:24
ACCEPT net all tcp 21 - - -
ACCEPT net $FW tcp 23 - - -
ACCEPT net $FW tcp 25 - - -
ACCEPT $FW net udp 53 - - -
ACCEPT net $FW udp 53 - - -
ACCEPT $FW net tcp 53 - - -
ACCEPT net $FW tcp 53 - - -
ACCEPT net:65.197.209.0 $FW tcp 69 - - -
ACCEPT net:65.197.209.0 $FW udp 69 - - -
ACCEPT net $FW tcp 80 - - 20/sec:24
ACCEPT net $FW tcp 81 - - 20/sec:24
ACCEPT net $FW tcp 110 - - -
ACCEPT net $FW tcp 143 - - -
ACCEPT net $FW udp 143 - - -
ACCEPT net $FW tcp 161 - - -
ACCEPT net $FW udp 161 - - -
ACCEPT net $FW tcp 443 - - 20/sec:24
Ping/ACCEPT net $FW - - - - 5/sec:8
ACCEPT net $FW tcp 3306 - - -
ACCEPT net $FW tcp 54000 - - -
ACCEPT net:65.197.209.0/24 $FW tcp 54000 - - -
ACCEPT net:~00-03-25-21-FA-23 $FW tcp 54000 - - -
Web/DNAT net $FW:65.197.209.3 tcp - - -
Thanking you in advance for your time and support Falko.
Best Regards
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