Displaying 20 results from an estimated 26 matches for "rhul".
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2012 Jun 14
5
(fwd) Re: ZFS NFS service hanging on Sunday morning
...ep 1:00 0.00% dtgreet
26068 root 1 100 -20 2680K 1416K sleep 0:01 0.00% xntpd
582 root 4 59 0 6884K 1232K sleep 1:22 0.00% inetd
394 daemon 2 60 -20 2528K 508K sleep 5:54 0.00% lockd
Regards
Tom Crane
>
> On 6/13/12 3:47 AM, TPCzfs at mklab.ph.rhul.ac.uk wrote:
> > Dear All,
> > I have been advised to enquire here on zfs-discuss with the
> > ZFS problem described below, following discussion on Usenet NG
> > comp.unix.solaris. The full thread should be available here
> > https://groups.google.com/forum/#!topic/c...
2012 Jun 13
0
ZFS NFS service hanging on Sunday morning problem
>
> Shot in the dark here:
>
> What are you using for the sharenfs value on the ZFS filesystem? Something like rw=.mydomain.lan ?
They are IP blocks or hosts specified as FQDNs, eg.,
pptank/home/tcrane sharenfs rw=@192.168.101/24,rw=serverX.xx.rhul.ac.uk:serverY.xx.rhul.ac.uk
>
> I''ve had issues where a ZFS server loses connectivity to the primary DNS server and as a result the reverse lookups used to validate the identity
It was using our slave DNS but there have been no recent problems with it. I''ve switched it...
2012 Aug 14
0
[LLVMdev] Moving on from Hello World
On Tue, Aug 14, 2012 at 3:53 AM, Joseph Reddington <joseph at cs.rhul.ac.uk> wrote:
> Hello everybody,
>
> I've been following the guide at (
> http://llvm.org/docs/WritingAnLLVMPass.html ) for Writing a llvm pass that
> outputs Hello World. After a little bit of help from Stackoverflow, this is
> now working fine and running.
>
> My pr...
2015 Jun 15
5
OpenSSH and CBC
...128-cbc,aes256-cbc
http://www.cpni.gov.uk/Docs/Vulnerability_Advisory_SSH.txt
https://packetstormsecurity.com/files/72061/Vulnerability_Advisory_SSH.txt.html
http://www.cs.washington.edu/homes/yoshi/papers/TISSEC04/
https://homes.cs.washington.edu/~yoshi/papers/TISSEC04/ssh-acmccs.pdf
http://isg.rhul.ac.uk/~kp/SandPfinal.pdf
https://lwn.net/Articles/307873/
http://www.openssh.com/security.html
http://www.openssh.com/txt/release-5.2
Security:
* This release changes the default cipher order to prefer the AES CTR
modes and the revised "arcfour256" mode to CBC mode ciphers that are...
2012 Aug 14
1
[LLVMdev] Moving on from Hello World
...source on my machine (I'm building the debug version) that,
say, iterated over the SelectionDAG - where might be a good place to put
it?
Joe
On 14 August 2012 19:51, Eli Friedman <eli.friedman at gmail.com> wrote:
> On Tue, Aug 14, 2012 at 3:53 AM, Joseph Reddington <joseph at cs.rhul.ac.uk>
> wrote:
> > Hello everybody,
> >
> > I've been following the guide at (
> > http://llvm.org/docs/WritingAnLLVMPass.html ) for Writing a llvm pass
> that
> > outputs Hello World. After a little bit of help from Stackoverflow, this
> is
> >...
2012 Aug 14
2
[LLVMdev] Moving on from Hello World
Hello everybody,
I've been following the guide at (
http://llvm.org/docs/WritingAnLLVMPass.html ) for Writing a llvm pass that
outputs Hello World. After a little bit of help from Stackoverflow, this is
now working fine and running.
My problem is that I'm struggling to get much further on from the hello
world example - I've not been able to find the write incantation to access
else
2010 Nov 15
1
comparing levels of aggregation with negative binomial models
...indeed a more elegant way of looking at aggregation?
Many thanks for your time.
yours,
Dr Ben Raymond,
NERC Advanced Research Fellow,
Lecturer in Population Genetics,
School of Biological Sciences,
Royal Holloway University of London,
Egham,
Surrey.
TW20 0EX
tel 0044 1784443547
Ben.Raymond at rhul.ac.uk
2015 Jun 16
2
OpenSSH and CBC
...://www.openssh.com/txt/cbc.adv
>
But that should be already covered by:
http://www.openssh.com/txt/release-5.2
We believe that these attacks are rendered infeasible by these changes.
BTW: If you didn't know, here you find the details about the attacks
(already in my link list):
http://isg.rhul.ac.uk/~kp/SandPfinal.pdf
I think it was unknown at the time OpenSSH 5.2 was released.
E.g. some assumptions are wrong: After at most 2^14 connections ...
With each new ssh connection I will have a new symmetrical key so the
assumption is not feasible.
Also: One of the main challenges for building...
2016 May 02
6
[Bug 2566] New: 2 integer overflows in function ssh_packet_send2_wrapped()
...Product: Portable OpenSSH
Version: 7.2p1
Hardware: 68k
OS: Mac OS X
Status: NEW
Severity: minor
Priority: P5
Component: ssh
Assignee: unassigned-bugs at mindrot.org
Reporter: Torben.Hansen.2015 at rhul.ac.uk
This concerns part of the function ssh_packet_send2_wrapped() in the
file packet.c.
The functionality of adding extra padding contains two integer
overflows which can be triggered for certain values of extra_pad,
block_size and len. Firstly, the computation roundup(state->extra_pad,
bloc...
2012 Aug 14
0
[LLVMdev] Moving on from Hello World
On Tue, Aug 14, 2012 at 3:13 PM, Joseph Reddington <joseph at cs.rhul.ac.uk> wrote:
> Ah - thank you Eli for your reply :) obviously that's a little
> disappointing :( So if I did want to insert some code into llvm source on
> my machine (I'm building the debug version) that, say, iterated over the
> SelectionDAG - where might be a good plac...
2012 Sep 03
1
[LLVMdev] Selection DAG output as bare DAG, code review
Hello all,
I recently foudn myself wanting to view the basic blocks in the
selection DAG as pure DAGs - so just as a list of edges, with no other
information. I added the below code to the start of the "
void SelectionDAGISel::CodeGenAndEmitDAG()" function. It creates a
separate txt file for each basic block and gives a list of edges
between nodes. The segment of code is below -
2013 Aug 28
2
[LLVMdev] Adding diversity for security (and testing)
...ve in mind?
Of course, AES is _really_ fast [4] and in general, for a security application, I can't think of a good reason not to use a CSPRNG when random numbers are warranted.
1. http://users.ece.cmu.edu/~ejschwar/papers/usenix11.pdf
2. http://www.reteam.org/papers/e59.pdf
3. http://www.isg.rhul.ac.uk/tls/TLStiming.pdf
4. http://cr.yp.to/aes-speed/aesspeed-20080926.pdf
--
Stephen Checkoway
2012 Nov 11
2
[LLVMdev] Tracing nodes in selectionDAG to final code...
Hello everyone.
I use this command
clang -emit-llvm hello.c -c -o hello.bc
llc hello.bc -march=mipsel -relocation-model=static -o hello.s
to produce this MIPS code:
.section .mdebug.abi32
.previous
.file "hello.bc"
.text
.globl main
.align 2
.type main, at function
.set nomips16 # @main
.ent main
main:
.cfi_startproc
.frame $sp,32,$ra
.mask 0x80000000,-4
.fmask
2003 Dec 23
6
UTMP logging in Samba 3.0.1 does not have hostnames
Hi,
I was testing Samba 3.0.1 as a logon server on a Solaris 9 Sparc box.
I compiled Samba using gcc 3.3 with the following options:
configure --prefix=/local/samba-3.0.1 --enable-static --with-nis
--with-quotas --with-syslog --with-msdfs --with-utmp
I set utmp = yes in the smb.conf file
The samba server does create login entries but minus the hostname
entries. The following
2013 Aug 28
0
[LLVMdev] Adding diversity for security (and testing)
On Mon, Aug 26, 2013 at 9:14 PM, Todd Jackson <quantum.skyline at gmail.com>wrote:
>
> > We would also include a secure random number generator which links
>> > against OpenSSL. This would of course be an optional module disabled
>> > by default, but is necessary so the randomization is cryptographically
>> > secure and useful in security applications.
2013 Aug 27
4
[LLVMdev] Adding diversity for security (and testing)
> > We would also include a secure random number generator which links
> > against OpenSSL. This would of course be an optional module disabled
> > by default, but is necessary so the randomization is cryptographically
> > secure and useful in security applications.
>
> I am not sure why you need this feature. You can provide LLVM with a
> SEED value that can be
2017 Mar 20
12
Announce: OpenSSH 7.5 released
OpenSSH 7.5 has just been released. It will be available from the
mirrors listed at http://www.openssh.com/ shortly.
OpenSSH is a 100% complete SSH protocol 2.0 implementation and
includes sftp client and server support. OpenSSH also includes
transitional support for the legacy SSH 1.3 and 1.5 protocols
that may be enabled at compile-time.
Once again, we would like to thank the OpenSSH community
1998 Mar 05
14
Browsing
I am configuring Linux (2.0.33) as a local router. I am wanting to use
Samba (1.9.18p3) to "manage" the browse lists on my network so that
computers on each subnet can browse resources on the other subnets. My
local network consists of Win95 and NT40 workstations with NT40 servers.
My test configuration consists one token ring segment on one side of
the Samba box (network .192) and
2012 Aug 21
0
[LLVMdev] SelectionDAGISel::CodeGenAndEmitDAG() confusion.
Hello everybody,
Following on from the excellent help I received at
http://comments.gmane.org/gmane.comp.compilers.llvm.devel/52591 - I
have a follow up question.
I've been editing the SelectionDAGiSel.cpp to try and print out the
operations in the nodes, to this end I have modified the
SelectionDAGISel::CodeGenAndEmitDAG() function as follows
void SelectionDAGISel::CodeGenAndEmitDAG() {
2007 Aug 11
1
Connecting to database on statup
Hello,
Q/ Is it possible to create a DBMS connection automatically on startup of R? (Making sure of course that the db server has been started...)
I am running MySQL on Mac OS X 10.4.2 with R2.4.1.
I have tried to write a function using the RMySQL commands (below) and place them in .First of .RProfile:
drv <- dbDriver("MySQL")
dbcon <- dbConnect(drv, {other parameters present in