Server can get pinged, but not clients

[Qazerowl]

Hi, I'm just trying to have all of my computers act as though they are all on the same LAN. The server is running ubuntu, and the clients are both running debian, although I'll probably add a windows client eventually.
The clients are able to ping/ssh the server through the VPN, but neither the clients or server are able to ping/ssh the (other) clients. Any idea what I've done wrong?

View OriginalServer

port 37373
proto udp
dev tun
sndbuf 0
rcvbuf 0
ca ca.crt
cert server.crt
key server.key
dh dh.pem
tls-auth ta.key 0
client-to-client
topology subnet
server 10.8.0.0 255.255.255.0
ifconfig-pool-persist ipp.txt
keepalive 10 120
cipher AES-128-CBC
comp-lzo
user nobody
group nogroup
persist-key
persist-tun
status openvpn-status.log
verb 3
crl-verify crl.pem

View OriginalClient

client
dev tun
proto udp
sndbuf 0
rcvbuf 0
remote (redacted) 37373
resolv-retry infinite
nobind
persist-key
persist-tun
remote-cert-tls server
cipher AES-128-CBC
comp-lzo
setenv opt block-outside-dns
key-direction 1
verb 3

(certificates are all embedded in the file)