Since some time, Deutsche Bahn [http://www.db.de] rolled public wireless lan called "WLAN am Bahnhof" out at 25 railroad stations, you can choose between 4 providers. Sounds really nice, but beside the economical conditions, there is also at least one security issue. Connecting to the network…
Today I was reconfiguring a Cisco 7513 [http://www.cisco.com/en/US/products/hw/routers/ps359/ps362/index.html] with a RSP 16 [http://www.cisco.com/en/US/products/hw/routers/ps359/products_data_sheet09186a008009201c.html] and a FastEthernet [http://www.cisco.com/en/US/products/hw/modules/…
Today the RIPE DNS for LIRs Training Course [http://www.ripe.net/training/dns/index.html] did take place. (some not up to date course material can be found here [http://www.ripe.net/training/dns/material/]) Managing some thousands of zones inclusive nameserver infrastructure behind since several years, I…
Why run different instances of policyd-weight [http://policyd-weight.org/]? Cause you may want use different scorings based on Access Policy Delegation [http://blog.waja.info/2006/09/20/different-postfix-access-policy-delegation/]. At first you need make a copy of policyd-weight and modify it, since Robert didn't implement a switch to…
Today I got some hints how to use different Access Policy Delegation [http://www.postfix.org/SMTPD_POLICY_README.html] with postfix [http://www.postfix.org]. This it opens the possibility to use different check_policy_service [http://www.postfix.org/SMTPD_POLICY_README.html] in dependency on sender address,…
I was searching half a night and 2 hours today to get a Linksys Router working a wireless bridge with WPA(2) encryption. I tried Openwrt [http://openwrt.org] White Russian RC5 and DD-Wrt [http://www.dd-wrt.com] V23 SP1 and many combinations of WPA, WPA2, TKIP, AES. The bridge…
Okay ... we got the serial port running (same like WRT54GS), so we could be more risky. After some tries I decided to work analog the WRT54G models. Successfull was the following modifications to factory (linksys) defaults: > nvram set vlan0ports="0 1 2 5*" nvram set vlan1ports="…
![Linksys WRTSL54GS](https [/content/images/2006/06/wrtsl54gs.jpeg] Don´t ask how, but we got some units to europe. The first thing we does, was to install openwrt [http://www.openwrt.org] and to try debridge the switch to have multiple interfaces instead. We was able to remove ports…