http://www.linuxidc.com/Linux/2010-10/29488.htm
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SIP config for Gizmo5- Proxy Server (Host): proxy01.sipphone.com
- Proxy Server (IP): 198.65.166.131
- Registration Server: proxy01.sipphone.com
- SIP Port (UDP): 5060
- STUN Server: stun01.sipphone.com
- STUN Port: 3478
- User ID: 17471115555 (replacing with your 1747)
- Auth ID: 17471115555 (replacing with your 1747)
- Password: (your gizmo5 password)
 
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PPTP client setup on TP-Link 841N/DD-WRTConfig: TAB: Services/VPN PPTP Client Options = Enable Server IP or DNS Name = 72.20.26.247 ( VPNReactor ) Remote Subnet = 10.87.248.0 Remote Subnet Mask = 255.255.255.0 MPPE Encryption = mppe required,no40,no56,stateless MTU = 1450 ( Default ) MRU = 1450 ( Default ) NAT = Enable User Name = zhenglei Password = XXXYYYZZZ TAB: Security/VPNPassThrough PPTP PassThrough = Enable Save Config & Reboot Testing config: TAB: Administration/Commands/ifconfig Administration/Commands/ping 10.87.248.1 http://code.google.com/p/autoddvpn/wiki/HOWTO http://code.google.com/p/autoddvpn/wiki/CustomFirmware http://code.google.com/p/autoddvpn/wiki/DNSMasq http://code.google.com/p/autoddvpn/wiki/DEBUG http://www.robpeck.com/2010/05/dd-wrt-hacks-part-1-setting-up-a-pptp-vpn-endpoint/ http://www.dd-wrt.com/wiki/index.php/Static_PPTP_VPN_Client http://www.astro.ff.vu.lt/~viktoras/toplanet/Iptables_command.htm 
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Launch call of Google Voice from gmailInstall Firefox 3.x Change Firefox language to english Launch firefox not in China network, i.e via ssh proxy or VPN with USA IP, Germain IP, etc Install plugin for char and video: Google Talk Plugin v1.5.1.0 
 Google Talk Plugin Video Accelerator v0.1.43.3Call telephone in USA freely, from gmail 
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Launch call of Google Voice from gmailInstall Firefox 3.x Change Firefox language to english Launch firefox not in China network, i.e via ssh proxy or VPN with USA IP, Germain IP, etc Install plugin for char and video: Google Talk Plugin v1.5.1.0 
 Google Talk Plugin Video Accelerator v0.1.43.3Call telephone in USA freely, from gmail 
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Linux Ubuntu OpenVPN configurationEnable ip4 forward: 
 nano /etc/sysctl.conf
 net.ipv4.ip_forward = 1Firewall configuration: 
 sudo iptables -t nat -A POSTROUTING -s 10.168.127.0/8 -j MASQUERADE
 sudo iptables -A INPUT -i tun0 -j ACCEPT
 sudo iptables -A FORWARD -i tun0 -j ACCEPT
 sudo iptables -A FORWARD -o tun0 -j ACCEPTSave iptables: sudo su iptables-save -c > /etc/iptables.rules Config on Startup: Add two scripts in /etc/network/: sudo nano /etc/network/if-pre-up.d/iptablesload: #!/bin/sh 
 iptables-restore < /etc/iptables.rules
 exit 0sudo nano /etc/network/if-post-down.d/iptablessave: #!/bin/sh 
 iptables-save -c > /etc/iptables.rules
 if [ -f /etc/iptables.downrules ]; then
 iptables-restore < /etc/iptables.downrules
 fi
 exit 0# sudo chmod +x /etc/network/if-post-down.d/iptablessave 
 # sudo chmod +x /etc/network/if-pre-up.d/iptablesload
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WOLhttp://www.depicus.com/wake-on-lan/woli.aspx http://www.dd-wrt.com/wiki/index.php/WOL#WOL_Methods WOL via SSH/Telnet /usr/sbin/wol -i 192.168.127.255 70:71:BC:2A:D3:C0