ICMP 435 Destination unreachable (Communication administratively filtered)

[Sven Hartge]

On 11.08.21 11:50, Dennis Schneck wrote:

> if the Switch sends requests can see only in wireshark this: ICMP 435 
> Destination unreachable (Communication administratively filtered)
> 
>    110 12.985550915 172.16.1.28 → 192.168.1.78   ICMP 435 Destination 
> unreachable (Communication administratively filtered)

This ICMP code is only generated when something like iptables or 
nftables is rejecting the packet.

So check for any local firewalls active on your server and open the 
needed ports.

Grüße,
Sven.