Dropped packets to port 0
While looking at our FW logs I see UDP packets from internal devices sent to a FW interface with dstport=0.
2023:06:23-14:20:19 FWName ulogd[31041]: id="2001" severity="info" sys="SecureNet" sub="packetfilter" name="Packet dropped" action="drop" fwrule…
HTTPS traffic being dropped from a single host by FORWARD chain
[this is now an FYI, as whilst writing this, I found the issue - others may benefit from this, so i'll complete the post]
I have a single PC on my network, and some https traffic (all to either google, facebook or instagram) is being dropped against…
Firewall voip SIP settings for provider callwithus
Having issues with audio with voip provider callwithus. Also have callcentric configured which works fine because there's a defined set of servers for media.
The call is initiated successfully, but the issue is with the audio/rtp media. Callwithus doesn…
DNAT, SNAT or Masquarading - Not for a server - GFE Client (Good For Enterprise)
Hi,
I run a Sophos UTM 9 at home which I've been running for well over a year now and it's been very good. I have a stack of firewall rules for various devices and I've configured various rules for things like cameras and VOIP phones.
My recent…
RE: NAT of Broadcast UDP with UTM
Hi,
Would like to thank Bob for the suggestion that put me down the right path.
Bridging was the magic component that was required.
I thought I'd provide a bad sketch of the setup.
ISP A - 4G WAN Router (DHCP, with local network.) (On this…