Category: Networking
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Defcon 18: Pwned By the owner
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Xen: NAT and Bridging
Because dom0 was running NAT, and I needed bridging; Debian network file (/etc/network/interfaces): iface eth3 inet manual auto xenbr0 iface xenbr0 inet static bridge_ports eth3 address 10.19.86.1 broadcast 10.19.86.255 netmask 255.255.255.0 NAT is running on eth2, bridging on eth3 (/etc/xen/xend-config.sxp): (network-script ‘network-nat netdev=eth2’) Now, for the VM configs: NAT: vif = [ ‘ip=172.16.1.12,mac=00:16:3E:5E:0D:1A’ ] Bridge:…
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Shell(s) for my Great Firewall Checker
As my last shell has been disconnected in China (not because I was probing websites, but because the building the Guruplug was in got closed) I’m looking for shells. Linux or Unix. With Git installed. I’ll barely use any disk space and it will probe the websites at most once/day (at night, when you won’t…
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Telenet, the satire
Another news site that gets the facts wrong. I only retweeted and posted the image on my blog. @raf__ is the author of this image (or at least, the one that spread it). Not me. I thought the “Source” part at the end of my blog was clear enough… De aanhoudende YouTube-problemen bij Telenet inspireerden…
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Telenet
Source.
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Data roaming
I bricked my Nexus S yesterday, while trying to root it (with an howto for an old Android version). As usual I was trying to do too much stuff with too little time (as I had to catch my plane later that evening). I had to root it to get OpenVPN, ssh tunnel, or system…
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socket: Permission denied
After upgrading my Guruplug Display from Lenny to Squeeze I came along an odd error; every non-root user was unable to access anything related to the internet. NTP: Mar 26 20:31:50 localhost ntpd[1055]: ./../lib/isc/unix/ifiter_ioctl.c:348: unexpected error: Mar 26 20:31:50 localhost ntpd[1055]: making interface scan socket: Permission denied Mar 26 20:35:09 localhost ntpd[1055]: ntpd exiting on…
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Great Firewall checker
An attempt to create a list of major blocked sites in China (or any other country/ISP). It’s written entirely in Bash. Github repo riiiiiiight here. It’s used by my PAC-generator. The Github page is updated once a day by three hosts. One in Belgium, one in The Netherlands, and a Guruplug in China. This way…
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Proxy.pac generator
I made a simple bash script that generates a proxy auto configuration file. The PAC file generated redirects all matching rules through the proxy. The only issue at the moment, is that, once the list gets big, it’s not very performance-friendly. Something I’ll try to fix in the coming days. I’m using this script to…