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128 lines
4.0 KiB
Markdown
128 lines
4.0 KiB
Markdown
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---
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title: DD-WRT
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layout: default
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created: 2009-04-03 12:30:33 +0200
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updated: 2009-12-04 00:54:05 +0100
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toc: false
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tags:
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- know-how
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- software
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- dd-wrt
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---
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DD-WRT is an alternative firmware for several WLAN routers which offers a lot of more features than the default
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firmwares of most routers, such as repeater mode, printserver, fileserver, etc.. I use it on an *ASUS WL-300g* and a
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*Linksys WRT54GL*.
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* **Homepage:** [dd-wrt.com](http://www.dd-wrt.com/)
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Configure as non-WDS repeater
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=============================
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After a lot of trial-and-error and studying [the](http://www.dd-wrt.com/wiki/index.php/Wlan_Repeater) [different](http://www.dd-wrt.com/phpBB2/viewtopic.php?t=7595)
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[HowTos](http://www.dd-wrt.com/wiki/index.php/Universal_Wireless_Repeater), I now found the best settings to make my
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former AccessPoint a repeater.
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<p><div class="noteclassic">
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This mode will repeat the WLAN network under a different SSID. Your WLAN card won't do any roaming and you will have to
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setup port forwardings for server daemons.
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</div></p>
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So here are the neccessary settings. Pages you don't need to change do not have an image linked.
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* Setup
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* [Basic Setup]({{ site.url }}/assets/setup_basic_setup.png)
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* DDNS
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* MAC Address Clone
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* [Advanced Routing]({{ site.url }}/assets/setup_advanced_routing.png)
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* [Networking]({{ site.url }}/assets/setup_networking.png)
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* Wireless
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* [Basic Settings]({{ site.url }}/assets/wireless_basic_settings.png)
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* Radius
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* [Wireless Security]({{ site.url }}/assets/wireless_wireless_security.png)
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* MAC Filter
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* [Advanced Settings]({{ site.url }}/assets/wireless_advanced_settings.png)
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* [WDS]({{ site.url }}/assets/wireless_wds.png)
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* Services
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* [Services]({{ site.url }}/assets/services_services.png)
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* PPTP
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* Hotspot
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* Security
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* [Firewall]({{ site.url }}/assets/security_firewall.png)
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* VPN
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* Access Restrictions
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* WAN Access
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* NAT / QoS
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* Port Forwarding
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* Port Range Forwarding
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* Port Triggering
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* UPnP
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* DMZ
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* QoS
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* Administration
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* Management
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* Keep Alive
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* Commands
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* WOL
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* Factory Defaults
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* Firmware Upgrade
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* Backup
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* Status
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* Router
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* LAN
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* Wireless
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* Bandwidth
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* Sys-Info
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Notify about new IP via Prowl service
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=====================================
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*Prowl* was originally thought as a remote notification service from MacOS *Growl* to the iPhone. But it provides a
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great web-based API so that it can be used for any other purpose.
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The [DD-WRT Wiki](http://www.dd-wrt.com/wiki/index.php/Script_Execution) lists all the locations where you can place
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scripts for automatic execution. As we want to be notified upon IP changes, the best event is the `wanup`. So create a
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file `/tmp/etc/config/prowl.wanup`. In the [Script Examples](http://www.dd-wrt.com/wiki/index.php/Script_Examples#Use_freedns.afraid.org_as_DDNS)
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section, there's a nice DynDNS script which shows, how to get the current WAN IP and check whether it has changed.
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With some modifications, it looks like this:
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{% highlight bash %}
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#!/bin/sh
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IFACE=ppp0
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OLDFILE=/tmp/ipaddr.cache
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OLD_IP=`cat $OLDFILE`
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NEW_IP=`ifconfig ${IFACE} | sed '/.*inet addr:/!d;s///;s/ .*//'`
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# Special (private) Unicode icons for the iPhone
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PROWL_UP=""
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PROWL_DISH=""
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if [ "$NEW_IP" != "$OLD_IP" ]; then
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/tmp/root/prowl.sh "ppp0 is $PROWL_UP" -2 "IP is $NEW_IP $PROWL_DISH"
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echo $NEW_IP > $OLDFILE
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echo Updated IP to $NEW_IP
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fi
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{% endhighlight %}
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Put this file to `/tmp/etc/config/prowl.wanup`. The used `/tmp/root/prowl.sh` is the one you can find in the [[TODO:software:sh:http-post]] article.
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*[WLAN]: Wireless Local Area Network
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*[SSID]: Service Set Identifier
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*[DDNS]: Dynamic DNS
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*[MAC]: Media Access Control
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*[WDS]: Wireless Distribution System
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*[PPTP]: Point-to-Point Tunneling Protocol
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*[VPN]: Virtual Private Network
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*[NAT]: Network Address Translation
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*[QoS]: Quality of Service
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*[UPnP]: Universal Plug'n'Play
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*[DMZ]: Demilitarized Zone
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*[WOL]: Wake-on-LAN
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*[LAN]: Local Area Network
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*[API]: Application Programming Interface
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*[WAN]: Wide Area Network
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