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Category: traceroute

  • Things you (probably) didn’t know about your webserver

    Today’s webservers are incredibly complex beasts. I don’t know how many of the people operating Apache have read the full specifications. I sure didn’t. So it should come as no surprise that there are hidden features in our servers (and some of them turned on by default), which can weaken our defenses. There are two…

  • Traceroute on Windows and Linux

    Did you know that the Linux version of traceroute uses UDP packets with various TTLs instead of ICMP echo requests by default? I sure didn’t, but thinking about it is a very smart way to do it. My only question would be: doesn’t this interfere with the operation of a server if you happen to…