Displaying 20 results from an estimated 23 matches for "blackhat".
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2004 Jul 12
4
in the makefile for wget ftp:// etc.
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2004 Jul 14
3
domains flapping
Whilst tinkering with lvm (which now works great - thanks!), I made a typo which caused the domain to stop booting. I think it was just that I got the config file wrong in terms of which device mapped to which.
Anyway, I had specified ''restart=True'' and so the domain was starting to boot, failing, then restarting again. This was the expected behaviour, but it was a pain to kill.
2004 Jun 23
2
''ser_baud=xxx'' option gone away
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2020 Jul 03
4
[cfe-dev] RFC: Replacing the default CRT allocator on Windows
.... Reportedly edge and chromium are getting large memory savings from switching, but I haven't seen performance comparisons.
If the performance is good, seems like that might be the simplest choice
https://docs.microsoft.com/en-us/windows/win32/sbscs/application-manifests#heaptype
https://www.blackhat.com/docs/us-16/materials/us-16-Yason-Windows-10-Segment-Heap-Internals.pdf
On Thu, Jul 2, 2020, 12:20 AM Alexandre Ganea via cfe-dev <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>> wrote:
Hello,
I was wondering how folks were feeling about replacing the default Windows C...
2017 Jan 11
2
Dovecot and MariaDB/MySQL
...along with the account and used when validating the password.
That way in the event of a SQL injection attack that dumps the database
- yes it is still bad, but 20 accounts that have the same password will
have radically different hashes and thus won't be a clue that they are
the same, the blackhat that gets the database dump would have to
generate a rainbow table for each unique salt.
I've looked at at least a dozen different Dovecot / MariaDB howto guides
and none of the ones I have looked at supported any kind of individual
salting of the user passwords.
Can someone point me to a...
2016 Aug 05
0
HEIST https
Hey there,
today I've ridden about HEIST.
https://www.google.it/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0ahUKEwjP1_y84anOAhUIUhQKHaApBRYQFggsMAI&url=https%3A%2F%2Fwww.blackhat.com%2Fdocs%2Fus-16%2Fmaterials%2Fus-16-VanGoethem-HEIST-HTTP-Encrypted-Information-Can-Be-Stolen-Through-TCP-Windows-wp.pdf&usg=AFQjCNGF78yNRziN_1fTOzDTrsjmOC3IpA&bvm=bv.128617741,d.d24&cad=rja
What about Centos?
2017 Jan 11
0
Dovecot and MariaDB/MySQL
...d used when validating the
> password.
>
> That way in the event of a SQL injection attack that dumps the
> database - yes it is still bad, but 20 accounts that have the same
> password will have radically different hashes and thus won't be a clue
> that they are the same, the blackhat that gets the database dump would
> have to generate a rainbow table for each unique salt.
>
> I've looked at at least a dozen different Dovecot / MariaDB howto
> guides and none of the ones I have looked at supported any kind of
> individual salting of the user passwords.
>
&...
2004 Aug 06
1
a new directory service
> My fear is the exploit-s'kiddie problem.
Are there common exploits for man-in-the-middle? I've never seen one.
I've seen rootkits, crackers, DoS tools, etc. But never anything as
sophisticated as mitm.
> I see no reason why anyone would constantly scan huge netblocks of cable
> modem users, looking for the occasional target to haX0r. But that doesn't
> stop the
2002 Oct 19
3
SSH Documentation
Hello,
I'm trying to find very indepth documentation of OpenSSH, so far I have
found nothing of much use, if anyone could direct me to some advance texts
on openssh it would be greatly appreciated.
2011 Sep 14
0
audit centos.org!
...ww.linux.com/
Has the CentOS site ever been hacked? Are there any good audit processes to check the servers?
CentOS team, please be aware, there are many script-kiddies OR pro's out there who want websites like yours!
I love CentOS, and I don't want it to fail like kernel.org:
http://blackhats.com/infosuck/0x007c.png
Please pay more attention than in normal case! :\
/just an anxious CentOS user/
Thanks and sry for this e-mail.
2006 Aug 23
3
How to select Skype traffic??
Hi,
I have simple question about Skype. What are the methods of selecting packets
which belongs to Skype??
I know about 7layer but I don''t belive that is only way.
Is 7layer realy good and stable solution for routers which must handle more
than 1000 users ?
Thanks in advance
Pozdrawiam
Szymon Turkiewicz
2020 Jul 02
6
RFC: Replacing the default CRT allocator on Windows
Hello,
I was wondering how folks were feeling about replacing the default Windows CRT allocator in Clang, LLD and other LLVM tools possibly.
The CRT heap allocator on Windows doesn't scale well on large core count machines. Any multi-threaded workload in LLVM that allocates often is impacted by this. As a result, link times with ThinLTO are extremely slow on Windows. We're observing
2016 Aug 04
2
curl build system is broken and so is mock
...on't link against those features (except it
will for libssl.so.10 if ANY tls option is chosen) but the binary will
link against the libraries if it is there. EVEN IF THE DEVEL PACKAGE
WITH HEADER FILES IS NOT PRESENT.
There is something very broken about how curl builds. If I was a skilled
blackhat, I might look for ways that causes it to be exploitable,
because the building of curl doesn't do what the user expects.
I tried building curl creating a mock build environment where openssl is
forbidden. There's a bug in mock.
In both base and updates I have
exclude=openssl*
I had to...
2016 Feb 01
0
[PATCH v5 00/12] Enable GPU switching on pre-retina MacBook Pro
...folks:
Tested-by: Pierre Moreau <pierre.morrow at free.fr>
[MBP 5,3 2009 nvidia MCP79 + G96 pre-retina 15"]
Tested-by: Paul Hordiienko <pvt.gord at gmail.com>
[MBP 6,2 2010 intel ILK + nvidia GT216 pre-retina 15"]
Tested-by: William Brown <william at blackhats.net.au>
[MBP 8,2 2011 intel SNB + amd turks pre-retina 15"]
Tested-by: Lukas Wunner <lukas at wunner.de>
[MBP 9,1 2012 intel IVB + nvidia GK107 pre-retina 15"]
On the latter three models it worked fine. On Pierre Moreau's machine
the discrete nvidia G96 l...
2002 Jul 01
0
Revised OpenSSH Security Advisory
...d. We did not tell people which versions were vulnerable, since
the 2.9 to 2.9.9 transition was largely a rewrite of the
ChallengeResponseAuthentication subsystem. This would have
highlighted that as the problem area.
e. We believed very strongly that the issue was unknown in the
Blackhat community at the time. We also made the decision based
on the subtlety of the problem. Finally, we believe that the SSH
protocol is a security infrastructure protocol (with DNS and BGP),
and that issues of this scope require more gentle care.
f. We did not alert vendor contacts with...
2002 Jul 01
0
Revised OpenSSH Security Advisory
...d. We did not tell people which versions were vulnerable, since
the 2.9 to 2.9.9 transition was largely a rewrite of the
ChallengeResponseAuthentication subsystem. This would have
highlighted that as the problem area.
e. We believed very strongly that the issue was unknown in the
Blackhat community at the time. We also made the decision based
on the subtlety of the problem. Finally, we believe that the SSH
protocol is a security infrastructure protocol (with DNS and BGP),
and that issues of this scope require more gentle care.
f. We did not alert vendor contacts with...
2018 Mar 26
6
How insecure is NIS ? Possible alternatives ?
Hi,
In the past I've setup simple centralized authentication with NIS and
NFS, without bothering about possible security implications.
Over the next month I have to setup a new network in a local school, and
I wonder if I should use NIS/NFS. I still have my own documentation,
it's simple and somewhat bone-headed to setup, and it just works.
RHEL/CentOS 7 still provide NIS, and I vaguely
2015 Aug 11
2
[PATCH v2 00/22] Enable gpu switching on the MacBook Pro
...rged yet.
Feedback on them is welcome.
The patches are based on drm-next.
They were tested on the following hardware (thanks a lot everyone!):
Tested-by: Paul Hordiienko <pvt.gord at gmail.com>
[MBP 6,2 2010 intel ILK + nvidia GT216 pre-retina]
Tested-by: William Brown <william at blackhats.net.au>
[MBP 8,2 2011 intel SNB + amd turks pre-retina]
Tested-by: Lukas Wunner <lukas at wunner.de>
[MBP 9,1 2012 intel IVB + nvidia GK107 pre-retina]
Tested-by: Bruno Bierbaumer <bruno at bierbaumer.net>
[MBP 11,3 2013 intel HSW + nvidia GK107 retina -- work...
2010 Nov 10
1
dictonary attacks
Hi hoping someone can help me a little with this one.
I have 2 mail servers, the incoming mail server runs dovecot and the
outgoing mail server runs postfix with sasl.
Lately I noticed a lot of spammers are running dictionary attacks on my
incoming server and then using that user/password for sasl on the outgoing
server.
The weird thing is I never see on the logs the guessed
2016 Jan 11
8
[PATCH v5 00/12] Enable GPU switching on pre-retina MacBook Pro
Enable GPU switching on the pre-retina MacBook Pro (2008 - 2013), v5.
The main obstacle on these machines is that the panel mode in VBIOS
is bogus. Fortunately gmux can switch DDC independently from the
display, thereby allowing the inactive GPU to probe the panel's EDID.
In short, vga_switcheroo and apple-gmux are amended with hooks to
switch DDC, DRM core is amended with a