CentOS

Well... I found a site that says to do this: add ovpns1-route to /etc/iproute2/rt_tables then run the following commands: # Populate secondary routing table ip route add default via 192.168.2.1 dev ovpns1 table ovpns-route # Anything with this fwmark will use the secondary routing table ip rule add ...

I have confirmed that the OpenVPN Server sees the connection with TCPdump, but my client on Site A doesn't respond... So it appears I'm correct on my thinking that the client doesn't know to go back through the VPN to reply to the connection! I assume I need some kinda firewall rule to return the tr...

Hello. I am wanting to allow someone from Site B's WAN access something on Site A's network. I am not sure how to configure the server Side of OpenVPN to allow this. Example: Site B External IP: 20.0.0.100 Site B Internal Network 10.0.0.1/24 Site A Internal Network 10.2.0.1/24 So, if someone tries t...

Nevermind! My fault HAHA I forgot we had blocked port 25 on Client side router from getting out

Hello. I have an OpenVPN server on my CentOS 7 machine. Connection works, traffic all worked except for port 25... I have a mail server running on Side A (OpenVPN Server). When someone from Side B (OpenVPN Client) tries to telnet into port 25 to a client on Side A, it fails. Keep in mind, this is an...

Opps!!!

HAHA! Forgot to configure radvd!!!! My fault!

Solved

THANK YOU, THANK YOU, THANK YOU!!!!

All is working on this part now!!!! REALLY APPRECIATE IT!!!!!

I created a zone: firewall-cmd --permanent --new-zone="[MyNewZoneName]" I tried adding a zone by source using the below command: firewall-cmd --permanent --zone="[MyNewZoneName]" --add-source="[MyExternalIP]/[Mask]" Then added the following rule: firewall-cmd --zone="[MyNewZoneName]" --add-forward-p...

Hello. I have setup DHCP Relay agent and have an IPv6 DHCP server running on a different system. It appears DHCP Relay is working, however, my clients don't get a gateway for IPv6 address. If I set the Gateway manually on the clients, then IPv6 fully works. How do I get the DHCPRelay agent to broadc...

Good to know! That does help a little :) But I am not sure then how to use firewalld to open ports based on source IP. I tried creating zones by source IP address, but this didn't work :(. So, if anyone knows how to open firewall based off WAN IP instead of interface, this would be really helpful!