Tagged Questions

1
vote
3answers
96 views

iptables: match only untagged traffic on an interface with VLANs

As far as i know, there is no way of distinguishing VLAN traffic in iptables on the master interface (that is the interface to which virtual VLAN interfaces are added with vconfig or ip link add link; ...
1
vote
0answers
138 views

Forwarding broadcast traffic [closed]

I have a host that receives broadcast queries on a UDP port. I would like to forward this broadcast traffic to another host from another network. Is it possible to port forwarding broadcast traffic ...
2
votes
1answer
724 views

Forward broadcast to fixed IP using IPTables

I need to forward (route) broadcast packets from several wireless clients to a single server in the fixed network. The wireless and fixed network are not bridged for security reasons. With the ...
1
vote
1answer
895 views

Iptables - Allowing only a single dhcp (relay) client

I am trying to create a firewall rule on an Ubuntu 10.04 server running isc-dhcpd. I only want dhcp to be accessible by a single relay host (172.1.1.1). I have iptables set up like so: # iptables ...
2
votes
2answers
1k views

Broadcast UDP over VPN

I have OpenVPN configured and have 5 dd-wrt router clients. I would like the machines on those routers to be-able to UDP Broadcast across all 5 networks. I cannot bridge the interfaces(to my ...