Decommisioned Serial Server Config and notes
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/etc/network/interfaces
auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp post-up /home/bob/bin/xmitip.sh #iface eth0 inet static # address 199.165.126.161 # gateway 199.165.126.129 # netmask 255.255.255.128 # dns-nameservers 8.8.8.8 8.8.4.4
/etc/ser2net.conf
# BNZ Radio 6786:raw:25:/root/devices/bnz_radio:57600 8DATABITS NONE 1STOPBIT HANGUP_WHEN_DONE RTSCTS LOCAL # IARC radio 7808:raw:25:/root/devices/iarc_radio:57600 8DATABITS NONE 1STOPBIT HANGUP_WHEN_DONE RTSCTS LOCAL # IARC CR10 7809:raw:25:/dev/ttyUSB2:9600 8DATABITS NONE 1STOPBIT HANGUP_WHEN_DONE RTSCTS LOCAL
/etc/iptables.firewall.rules
*filter :INPUT DROP [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] # from Jim: -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # Allow all loopback (lo0) traffic and drop all traffic to 127/8 that doesn't use lo0 -A INPUT -i lo -j ACCEPT -A INPUT -d 127.0.0.0/8 -j REJECT -A INPUT -s 137.229.94.2 -d 244.0.0.1 -j ACCEPT #-A INPUT -s 224.0.0.1 -p udp -m udp -j ACCEPT # Accept all established inbound connections -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT # Allow all outbound traffic - you can modify this to only allow certain traffic -A OUTPUT -j ACCEPT # Allow HTTP and HTTPS connections from anywhere (the normal ports for websites and SSL). #-A INPUT -p tcp --dport 80 -j ACCEPT #-A INPUT -p tcp --dport 443 -j ACCEPT -A INPUT -s 192.168.0.0/16 -p tcp -m tcp --dport 6786 -j ACCEPT -A INPUT -s 137.229.0.0/16 -p tcp -m tcp --dport 6786 -j ACCEPT -A INPUT -s 127.0.0.0/8 -p tcp -m tcp --dport 6786 -j ACCEPT -A INPUT -s 0.0.0.0/0 -p tcp --dport 6786 -j DROP -A INPUT -s 192.168.0.0/16 -p tcp -m tcp --dport 7808 -j ACCEPT -A INPUT -s 137.229.0.0/16 -p tcp -m tcp --dport 7808 -j ACCEPT -A INPUT -s 127.0.0.0/8 -p tcp -m tcp --dport 7808 -j ACCEPT -A INPUT -s 0.0.0.0/0 -p tcp --dport 7808 -j DROP -A INPUT -s 137.229.0.0/16 -p tcp -m tcp --dport 7809 -j ACCEPT -A INPUT -s 192.168.0.0/16 -p tcp -m tcp --dport 7809 -j ACCEPT -A INPUT -s 127.0.0.0/8 -p tcp -m tcp --dport 7809 -j ACCEPT -A INPUT -s 0.0.0.0/0 -p tcp --dport 7809 -j DROP -A INPUT -s 137.229.0.0/16 -p udp -m udp -j ACCEPT # Allow SSH connections # # The -dport number should be the same port number you set in sshd_config # -A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT # Allow ping -A INPUT -p icmp --icmp-type echo-request -j ACCEPT # Log iptables denied calls (disabled once I saw what all was getting blocked) ##-A INPUT -m limit --limit 5/min -j LOG --log-prefix "iptables denied: " --log-level 7 # Drop all other inbound - default deny unless explicitly allowed policy -A INPUT -j DROP -A FORWARD -j DROP COMMIT