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  1. Replies
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    Just out of curiosity, wouldn't netcat be run...

    Just out of curiosity, wouldn't netcat be run under the same user as the web server itself? If that's the case, surely having the shell for whatever user the web server runs as set to /bin/false...
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    To make the ntfs partition readable by other...

    To make the ntfs partition readable by other users, mount it with a umask of 0222, like this:-
    mount /dev/hdXY /mount/point -o umask=0222

    Alternatively, you could add the partition to /etc/fstab...
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    2,160

    Now for the simple answer. If you're scanning...

    Now for the simple answer. If you're scanning from across the internet and port 80 is showing as open, don't worry about it. Lots of ISP's use transparent caching on port 80, and this is why port 80...
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    I tested this exploit on a 2.6.5-gentoo-r1...

    I tested this exploit on a 2.6.5-gentoo-r1 kernel, and can confirm this locks your computer solid. However, when I tried it on a dual-processor box with the same kernel source, it only crashed 1 CPU....
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    If your clock is correct, you can fix this error...

    If your clock is correct, you can fix this error by using touch. Type touch Makefile in the same directory as the source for mplayer. If your clock is wrong though, you'll have to touch all the...
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    1,285

    How many of these linux bugs that are up to 1.8...

    How many of these linux bugs that are up to 1.8 years old have had advisories, and have been actively exploited in the wild? Not all bugs are security issues either, some will be annoyances, others...
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    1,285

    Yet again they've failed to fix the local zone...

    Yet again they've failed to fix the local zone and CHM bugs that spammers and virii take advantage of. These flaws are at least 4 months old, are being exploited in the wild, and have remained...
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    Ah, boot sector virii, now there's a blast from...

    Ah, boot sector virii, now there's a blast from the past. :) I'll assume you're running win9x and not NT/2000/XP. Whilst the advice of using fdisk to overwrite the MBR is correct, you still have the...
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    If the router is UPnP-aware, turn on the UPnP...

    If the router is UPnP-aware, turn on the UPnP service in windows and in the router configuration to allow programs to automatically open ports in the router firewall. This should cure MSN and other...
  10. Try www.underground-book.com There's a version of...

    Try www.underground-book.com There's a version of the book available as a free download, and it's full of stories about the sort of activities you want information on. The best part is that all the...
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    Formmail.pl is a well-known, but very poorly...

    Formmail.pl is a well-known, but very poorly written CGI script for sending e-mail from a web form. It's so bad that many ISP's and web hosts explicitly forbid it's use. Spammers scan for sites with...
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    IIRC, you could set a default policy of DROP on...

    IIRC, you could set a default policy of DROP on the output chain to prevent any packets leaving your PC, but this would be so restrictive it would break things like X. It would be far better to leave...
  13. Thread: Need advice

    by Beryllium9
    Replies
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    1,533

    There's a fortran compiler in the gcc compiler...

    There's a fortran compiler in the gcc compiler collection, g77. As the name suggests, it only supports fortran 77 though.As for getting started, I'd suggest installing linux, as it comes with at...
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    It sounds to me like the scanner you used is...

    It sounds to me like the scanner you used is getting confused. UDP port scanning is very different to TCP scanning, and is pretty unreliable. With a UDP scan, you send a packet to the port, and if...
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    It does it by setting the TTL field on the UDP...

    It does it by setting the TTL field on the UDP packet it sends out. As packets travel to their destination, every router it passes through decrements the TTL field by 1. Once the TTL gets to 0, the...
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    Nope, traceroute under linux uses UDP by default....

    Nope, traceroute under linux uses UDP by default. To make it use ICMP echo requests instead, you have to use the -I option on the command line. From the man pages:-

    -I Use ICMP ECHO instead of...
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    Oops, you're right, I made a mistake. Was...

    Oops, you're right, I made a mistake. Was thinking about the traceroute utility using UDP by default. :) Still, traceroute is similar to ping in that it waits for unreachable messages, just a little...
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    No. UDP port scanning and UDP pings are 2 totally...

    No. UDP port scanning and UDP pings are 2 totally different things. A UDP port scan works like this: A UDP packet is sent to a UDP socket on the remote host. If it doesn't respond, the socket is...
  19. Thread: GRUB info

    by Beryllium9
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    9
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    1,423

    Ah, you're using redhat. In this case, recovery...

    Ah, you're using redhat. In this case, recovery is quite easy. Just boot from your install CD, then type linux rescue at the boot: prompt. Once you've got a prompt, type chroot /mnt/sysimage, and...
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    Now to answer the question... The reason nmap...

    Now to answer the question...

    The reason nmap is reporting the host is down is probably because of the type of ping it's been told to use. By default, nmap when run through nmapfe will ICMP ping...
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    My suggestion would be for an SMC barricade. I...

    My suggestion would be for an SMC barricade. I paid about 70 for an SMC7004BR a couple of years ago. They've been replaced by newer, better, and cheaper models now though, so it's got to be worth...
  22. Thread: GRUB info

    by Beryllium9
    Replies
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    1,423

    I see you've lost your root password. In that...

    I see you've lost your root password. In that case, we need a bit of information about how the computer is set up, if you want step-by-step instructions. What distro are you running anyway? Some are...
  23. Thread: GRUB info

    by Beryllium9
    Replies
    9
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    1,423

    Why bother with boot CD's when you can just log...

    Why bother with boot CD's when you can just log in as root and do it from there? He only wants to change the grub password. ;)
  24. Thread: GRUB info

    by Beryllium9
    Replies
    9
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    1,423

    This is an easy one to fix. Mount your /boot...

    This is an easy one to fix. Mount your /boot partition, and edit /boot/grub/grub.conf The encrypted password is stored in there. Just create a new password hash and replace the one that's listed in...
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    The easy way to disable apache proxy functions is...

    The easy way to disable apache proxy functions is to comment out the lines that load mod_proxy, mod_proxy_connect, mod_proxy_ftp, and mod_proxy_http. Here's an extract from my apache.conf file where...
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