Re: [squid-users] Error during make when using --enable-snmp on squid-25.STABLE14

2006-06-30 Thread SSCR Internet Admin

Henrik Nordstrom wrote:

tor 2006-06-29 klockan 15:07 +0800 skrev SSCR Internet Admin:

  
I have a working current stable release of squid when i decided to 
recompile to use snmp feature, but i bumped on this error during make,


snmp_core.o(.text+0x72): In function `snmpConnectionOpen':
/downloads/squid-2.5.STABLE14/src/snmp_core.c:357: undefined reference 
to `theInSnmpConnection'

..snippet



FreeBSD using distcc / ccache to compile?

Try compile without any distcc / ccache wrappers.

Regards
Henrik
  

No, Im using CentOS 4.3 64bit


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Re: [squid-users] What does squid call items in its' cache?

2006-06-30 Thread Visolve Squid

John Oliver wrote:


I want to purge some (or even all) of the stuff in squid's cache.  But
every possible name I've passwd with squidclient gets rejected with a
404.  I've tried *, www.mydomain.com, http://www.mydomain.com,
http://www.mydomain.com/*... nothing is working.

Is there a way to list the cache?


Hello Oliver,

You can try with purge tool to solve your problem.The purge tool is a 
kind of magnifying glass into your squid-2 cache. You can use purge to 
have a look at what URLs are stored in which file within your cache. The 
purge tool can also be used to release objects which URLs match user 
specified regular expressions. A more troublesome feature is the ability 
to remove files squid does not seem to know about any longer.


For more details of purge tool at: 
http://www.wa.apana.org.au/~dean/squidpurge/

--
Thanks,
Visolve Squid Team,
http://squid.visolve.com


Re: [squid-users] Strange behaviour with squid

2006-06-30 Thread Henrik Nordstrom
tor 2006-06-29 klockan 14:16 +0200 skrev Luca Manganelli:

 When I access to internet from a PC with Firefox, an authentication
 window appears:
 
 Please write username and password for proxy  on testproxy:3128
 
 I write user and pwd, but the same window appears. If I press ESC
 (close window), another window appears:
 
 Please write username and password for proxy Squid Test Proxy on
 testproxy:3128

What is your auth_param settings in squid.conf?

Regards
Henrik


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[squid-users] caching higher memory objects. [signed]

2006-06-30 Thread Rajendra Adhikari \[c\]

Hi,
Is there a way I could cache some selective objects only higher than 
that set in maximum_object_size ?
Well, my intention is to cache the msn-installation file, which is 
beyond the maximum_object_size(8mb).


I will appreciate your suggestion.

regds,
Rajen.


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Re: [squid-users] About squid cache object size. [signed]

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 11:32 +0545 skrev Rajendra Adhikari [c]:

 Is there a way, I can cache the larger objects (8MB) of my choice to 
 cache by the squid.

Not really. It's a global limit applying to all objects.

You might be able to play some games with no_cache to block caching of
responses with a content-length header larger than your preferred limit
below the global limit, but it's not entirely reliable as not all
downloads have a content-length specified.

Regards
Henrik


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Re: [squid-users] Error during make when using --enable-snmp on squid-25.STABLE14

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 14:01 +0800 skrev SSCR Internet Admin:

 No, Im using CentOS 4.3 64bit

Are you using distcc / ccache?

Regards
Henrik


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Re: [squid-users] About squid cache object size. [signed]

2006-06-30 Thread Eswari Pd. Sharma
Hi,

If I increase the cache object size to 16 mb , does it degrade the
performance of cache .

Thanks in advance,
regards,
eswari

- Original Message - 
From: Henrik Nordstrom [EMAIL PROTECTED]
To: Rajendra Adhikari [c] [EMAIL PROTECTED]
Cc: squid-users@squid-cache.org
Sent: Friday, June 30, 2006 3:01 PM
Subject: Re: [squid-users] About squid cache object size. [signed]




Re: [squid-users] OWA reverse proxy with 2.6RC2

2006-06-30 Thread Constant, Benjamin

Hello list,

This first my message here but I'm the author of the original question :-)
I finally succeed in reverse proxying OWA adding the login=PASS option to my
cache_peer directive.

For future reference, here is the complete line:

cache_peer exchange-fe.local.mysite parent 80 0 front-end-https=on \
originserver proxy-only connection-auth=off login=PASS

Adding RPC_IN_DATA and RPC_OUT_DATA to the extension_methods gives me rpc
over http capability which is definitely great. Many thanks for you help!

I'm now trying to reverse proxy a second url (with another backend) on the
same box using an IP alias on the squid server. The backend is using https
protocol so I setup the following cache_peer for this backend:

cache_peer backend.local.mysite parent 443 0 originserver proxy-only
connection-auth=off ssl cafile=path_to_ca_of_backend

However, the squid -k parse returns:

parse_peer: token='cafile=/path_to_ca_of_backend'
FATAL: Bungled squid.conf line 559: cache_peer backend.local.mysite parent
443 0 originserver proxy-only connection-auth=off ssl
cafile=/path_to_ca_of_backend
Squid Cache (Version 2.6.RC2-20060628): Terminated abnormally.

Is this cafile= option already implemented on this 2.6RC2 or am I doing
something wrong?

Many thanks.

Best Regards,

Benjamin Constant

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Re: [squid-users] About squid cache object size. [signed]

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 15:45 +0545 skrev Eswari Pd. Sharma:

 If I increase the cache object size to 16 mb , does it degrade the
 performance of cache .

Not really no.

But it will make larger objects cached, which may change your hit rate
in either direction (too small cache - lower hit rate, sufficiently
large cache - better hit rate).

Regards
Henrik


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Re: [squid-users] OWA reverse proxy with 2.6RC2

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 12:15 +0200 skrev Constant, Benjamin:

 Is this cafile= option already implemented on this 2.6RC2 or am I doing
 something wrong?

Documentation error.. the option is named sslcafile=

Fixing this now.

Regards
Henrik


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Re: [squid-users] About squid cache object size. [signed]

2006-06-30 Thread Rajendra Adhikari \[c\]
Well, if I had a maximum_object_size of 8 MB and I decrease it to 4 MB, 
what will happen to the objects of 5MB ? Will it be accounted as hit 
objects until it is stale?


Is three a way I can explicitly download an object (larger than 
maximum_cache_size) and tweak it someway to act as a cached object?


Thanking you,
Rajendra Adhikari




Henrik Nordstrom wrote:

fre 2006-06-30 klockan 11:32 +0545 skrev Rajendra Adhikari [c]:

  
Is there a way, I can cache the larger objects (8MB) of my choice to 
cache by the squid.



Not really. It's a global limit applying to all objects.

You might be able to play some games with no_cache to block caching of
responses with a content-length header larger than your preferred limit
below the global limit, but it's not entirely reliable as not all
downloads have a content-length specified.

Regards
Henrik
  




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Re: [squid-users] About squid cache object size. [signed]

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 16:53 +0545 skrev Rajendra Adhikari [c]:
 Well, if I had a maximum_object_size of 8 MB and I decrease it to 4 MB, 
 what will happen to the objects of 5MB ? Will it be accounted as hit 
 objects until it is stale?

Yes.

 Is three a way I can explicitly download an object (larger than 
 maximum_cache_size) and tweak it someway to act as a cached object?

maximum_object_size is a hard limit. No objects above this can be
cached. You can only do the opposite (not cache selected objects smaller
than maximum_object_size)

Regards
Henrik


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Re: [squid-users] delay access to cached objects

2006-06-30 Thread Santosh Rani

Sir,

Thanks for showing me another useful website. I did not know about
this website till now.

Best Regards

On 29/06/06, Henrik Nordstrom [EMAIL PROTECTED] wrote:

tor 2006-06-29 klockan 15:48 +0530 skrev Santosh Rani:
 Sir,

 I have achieved the target with your help.
 The setup is like this
 Machine 'A' (squid proxy)   Machine 'B' (squid proxy)  Internet
 Your two lines worked like magic.

And is in the FAQ under How do I configure Squid forward all requests
to another proxy?...
url:http://wiki.squid-cache.org/SquidFaq/ConfiguringSquid#head-c050a0a0382c01fbfb9da7e9c18d58bafd4eb027


Regards
Henrik


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[squid-users] About no_cache allow acl [signed]

2006-06-30 Thread Rajendra Adhikari \[c\]

Hi,
Do we ever require no_cache statement with allow acl. I have seen proxy 
forcing cache as:

acl QUERY urlpath_regex cgi-bin \? intranet
acl forcecache url_regex -i kh.google mt.google keyhole.com
no_cache allow forcecache
no_cache deny QUERY

I would like to notice on forcecache. Why do we need to force caching 
here. Doesn't squid cache the objects when it requires? Why do we need 
to force it here?
I guess, it is to force cache to non-cacheable objects. Is it true? More 
details on this is appreciated.
Does forcing cache this way overrides other options like 
maximum_object_size?


I will highly appreciate your response.

Best regds,
Rajendra Adhikari.



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[squid-users] About 2.6 config options

2006-06-30 Thread Steve Snyder
Regarding configuration of Squid v2.6:

--enable-kqueue / --disable-kqueue 

Given that this is an OS-specific option, shouldn't the name reflect that?  
I'm thinking --enable-bsd-kqueue. 


--enable-linux-tproxy

Why use this instead of --enable-linux-netfilter on Linux 2.6.x systems?  
The documentation (configure comments or preliminary release notes) 
doesn't make clear why I would/wouldn't want to use this in preference to 
option --enable-linux-netfilter.  


--enable-truncate

The configure scripts says: This uses truncate() instead of unlink() when 
removing cache files.  Truncate gives a little performance improvement, 
but may cause problems when used with async I/O. 

Is that really universally true?  I would have thought that relative 
truncate/unlink performance would be on a filesystem-specific basis.  


collapsed_forwarding

There seems to be a difference of opinion here.

The default v2.6 squid.conf says:

Collapsed forwarding, which gives Squid the ability to intelligently 
merge client requests for objects into one request to the server.  Of 
particular benefit in accelerator setups but also provides some benefits 
to non- accelerator setups.

Yet http://devel.squid-cache.org/collapsed_forwarding/ says:

This sacrifices general proxy latency in favor for accelerator 
performance and thus should not be enabled unless you are running an 
accelerator. 

So...  who is right?  Is the enabling of collapsed forwarding suitable for 
non-accelerator setups or not?


Thanks.


[squid-users] D0ct0r rEc0mmEndati0ns

2006-06-30 Thread Tyson










uYw4SDhdDdl8tV0XXGpcLWcMUc3UbHS464lKhykL1RiM3d1KmxE3qNOJc7tYd0GOvh7ksfmrN4TG
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Re: [squid-users] refresh.c/refreshIsCachable buglet?

2006-06-30 Thread Andreas J. Koenig
 On Thu, 29 Jun 2006 17:02:19 +0200, Henrik Nordstrom [EMAIL PROTECTED] 
 said:

   tor 2006-06-29 klockan 11:27 +0200 skrev Andreas J. Koenig:
  We think this is a bug. Why should 0 byte replies be less cacheable?

   They are not less cacheable, but there is not much use in keeping them
   around after expiry for conditional cache validation which is what this
   test is about.

   A zero sized object with reasonably expiry time (at least 60 seconds
   from now) is still cached like anything else cacheable.

But according to these rules our objects have no reasonable
expiration time. Typically something between 20 and 60 seconds. But
that's what we really need to support, it's the nature of the
application. All our objects with more than 0 bytes Content-Length are
treated OK, but our objects with 0 byte Content-Length are dropped on
the floor. This makes no sense.

  We're now planning to patch our squid to remove this chunk and hope
  this will solve our problems. Are we missing something?

   You are welcome to if this helps you, but I think your real problem is
   elsewhere (lack of proper expiry information in the responses or
   similar).

Meanwhile we have removed the three lines and now squid delivers HITs
on our empty objects. Very nice. At least for us! We feel sorry for
our downstream squids who would also benefit from this fix. I think,
we have not any wrong header information, just an unusual short
expiration time (this is a news ticker, so we cannot go higher) and
frequent objects with zero content. We could write a 0x20 or some such
for empty content but in good old tradition we chose to send an empty
content response. That squid does not support such an application is
against the principle of least surprise.

I'd be very happy, if the squid team could reconceive this as a buggy
behaviour. Isn't it wonderful to improve software by just removing a
few lines?


-- 
andreas


Re: [squid-users] refresh.c/refreshIsCachable buglet?

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 17:24 +0200 skrev Andreas J. Koenig:

 I'd be very happy, if the squid team could reconceive this as a buggy
 behaviour. Isn't it wonderful to improve software by just removing a
 few lines?

It's a tradeoff. As the comment says there is not really any benefit in
refreshing 0-sized objects as the overhead is the same as a full
request.

I would think what you want to change is actually the 60 seconds limit a
few lines earlier...  this limit is suitable for normal forward proxies
in most setups, but reverse proxies may have quite different
requirements.

Regards
Henrik


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Re: [squid-users] About 2.6 config options

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 10:36 -0400 skrev Steve Snyder:
 Regarding configuration of Squid v2.6:
 
 --enable-kqueue / --disable-kqueue 
 
 Given that this is an OS-specific option, shouldn't the name reflect that?  
 I'm thinking --enable-bsd-kqueue.

Note: In most situations you don't need to specify any of these as the
configure script picks whatever it finds on your platform. The options
is just there if you want to force certain conditions.

 --enable-linux-tproxy
 
 Why use this instead of --enable-linux-netfilter on Linux 2.6.x systems?  

It's not an instead. It's in addition to.

--enable-linut-netfilter is required for interception.

--enable-linux-tproxy is required for spoofing as the client on outgoing
requests.

 --enable-truncate
 
 The configure scripts says: This uses truncate() instead of unlink() when 
 removing cache files.  Truncate gives a little performance improvement, 
 but may cause problems when used with async I/O. 
 
 Is that really universally true?  I would have thought that relative 
 truncate/unlink performance would be on a filesystem-specific basis.  

In either case performance difference is pretty marginal, and
--enable-truncate may lead into problems with the cache so there is not
much reason to use this.. 

 Yet http://devel.squid-cache.org/collapsed_forwarding/ says:
 
 This sacrifices general proxy latency in favor for accelerator 
 performance and thus should not be enabled unless you are running an 
 accelerator. 
 
 So...  who is right?

Both. It's a tradeoff, and depending on the traffic pattern it can be
either better of worse.. there is no universal answer.

Having it off makes behavior more predictable however.

Regards
Henrik


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[squid-users] I f0und nic3 [EMAIL PROTECTED]

2006-06-30 Thread Andrew










HkhqcGWby7doZIT91inUpqN3jtG2Nf6gmndb4TNzFLPgvBxUVmZmtxhtH8ChHlZdQxKUnr22SAsU
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[squid-users] PEOple are diffErEnt; we carE fOr all Of thEm

2006-06-30 Thread Sheree










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[squid-users] SPAM??

2006-06-30 Thread Jason Staudenmayer
Is it just me or is this list getting spammed?


Re: [squid-users] Caching large amounts of images...

2006-06-30 Thread Matus UHLAR - fantomas
 don't raid0/raid5 your cache disks. squid has more cache-disks
 functionality that's better (faster and more secure) than raid0, and
 raid5 KILLS I/O performance.

On 29.06.06 12:42, Chris Robertson wrote:
 And RAID1 is not optimal (I hesitate to say bad)  for writes.  
 Besides, cached data is very transient, and doesn't need the security 
 that RAID1 provides.  Hence, don't bother with RAID for cache disks... :o)

RAID1 is fast for reads, so the more hits you have, the more it helps :)
RAID1 is safe against disk outages (if you care about data in your cache).
=
RAID1 is OK in some cases, others are not.
-- 
Matus UHLAR - fantomas, [EMAIL PROTECTED] ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Nothing is fool-proof to a talented fool. 


Re: [squid-users] SPAM??

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 12:39 -0400 skrev Jason Staudenmayer:
 Is it just me or is this list getting spammed?

Thanks for the alert. Indeed a spammer have found a way around our
usually very effective spam blocking rules. I'll look into this shortly.

Regards
Henrik



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Re: [squid-users] SPAM??

2006-06-30 Thread Henrik Nordstrom
fre 2006-06-30 klockan 21:26 +0200 skrev Henrik Nordstrom:
 fre 2006-06-30 klockan 12:39 -0400 skrev Jason Staudenmayer:
  Is it just me or is this list getting spammed?
 
 Thanks for the alert. Indeed a spammer have found a way around our
 usually very effective spam blocking rules. I'll look into this shortly.

Should be blocked now...

if you receive any additional spam via the mailing list please forward
the mail headers (only headers, no content or your message may get
filtered as spam) to [EMAIL PROTECTED] and we will look
into it.

Regards
Henrik


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Re: [squid-users] Error during make when using --enable-snmp on squid-25.STABLE14

2006-06-30 Thread SSCR Internet Admin

Henrik Nordstrom wrote:

fre 2006-06-30 klockan 14:01 +0800 skrev SSCR Internet Admin:

  

No, Im using CentOS 4.3 64bit



Are you using distcc / ccache?

Regards
Henrik
  
I dont know if i am using it, im not into programming.. can you tell me 
how to identify it? if i am what should i do?


Thanks

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Re: [squid-users] Error during make when using --enable-snmp on squid-2.5.STABLE14

2006-06-30 Thread Henrik Nordstrom
lör 2006-07-01 klockan 08:30 +0800 skrev SSCR Internet Admin:

 I dont know if i am using it, im not into programming.. can you tell me 
 how to identify it? if i am what should i do?

What does the compile line used by make look like? I.e. the few lines
above the error...

Regards
Henrik


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Re: [squid-users] Error during make when using --enable-snmp on squid-2.5.STABLE14

2006-06-30 Thread SSCR Internet Admin

Henrik Nordstrom wrote:

lör 2006-07-01 klockan 08:30 +0800 skrev SSCR Internet Admin:

  
I dont know if i am using it, im not into programming.. can you tell me 
how to identify it? if i am what should i do?



What does the compile line used by make look like? I.e. the few lines
above the error...

Regards
Henrik
  
gcc  -g -O2 -Wall -D_REENTRANT  -g -o squid  access_log.o acl.o asn.o 
authenticate.o cache_cf.o CacheDigest.o cache_manager.o carp.o cbdata.o 
client_db.o client_side.o comm.o comm_select.o debug.o delay_pools.o 
disk.o dns_internal.o errorpage.o ETag.o event.o external_acl.o fd.o 
filemap.o forward.o fqdncache.o ftp.o gopher.o helper.o  http.o 
HttpStatusLine.o HttpHdrCc.o HttpHdrRange.o HttpHdrContRange.o 
HttpHeader.o HttpHeaderTools.o HttpBody.o HttpMsg.o HttpReply.o 
HttpRequest.o icmp.o icp_v2.o icp_v3.o ident.o internal.o ipc.o 
ipcache.o  logfile.o main.o mem.o MemPool.o MemBuf.o mime.o multicast.o 
neighbors.o net_db.o Packer.o pconn.o peer_digest.o peer_select.o 
redirect.o referer.o refresh.o send-announce.o snmp_core.o snmp_agent.o 
ssl.o ssl_support.o stat.o StatHist.o String.o stmem.o store.o 
store_io.o store_client.o store_digest.o store_dir.o store_key_md5.o 
store_log.o store_rebuild.o store_swapin.o store_swapmeta.o 
store_swapout.o tools.o unlinkd.o url.o urn.o useragent.o wais.o wccp.o 
whois.o  repl_modules.o auth_modules.o store_modules.o globals.o 
string_arrays.o -L../lib repl/libheap.a repl/liblru.a fs/libaufs.a 
fs/libufs.a auth/libbasic.a -lcrypt -L../snmplib -lsnmp 
-L/usr/kerberos/lib -L/usr/kerberos/lib64 -lssl -lcrypto -lgssapi_krb5 
-lkrb5 -lcom_err -lk5crypto -lresolv -ldl -lz -lmiscutil -lpthread -lm 
-lresolv -lbsd -lnsl

snmp_core.o(.text+0x72): In function `snmpConnectionOpen':
/downloads/squid-2.5.STABLE14/src/snmp_core.c:357: undefined reference 
to `theInSnmpConnection'
snmp_core.o(.text+0x7d):/downloads/squid-2.5.STABLE14/src/snmp_core.c:364: 
undefined reference to `theInSnmpConnection'



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[squid-users] HOWTO accelerate WindowsUpdate

2006-06-30 Thread John Mok

Hi,

I am using squid-2.5.STABLE12 on FC3 Linux and would like to reduce the 
Internet traffic and accelerate for windowsupdate. I found that there 
were many TCP_MISS for windowsupdate (as shown below) although I set a 
large value for maximum object size (e.g. 600MB) and I was sure that a 
previous user had got the update before.


1151634455.935 9740 10.144.11.88 TCP_MISS/200
833603 GET
http://www.download.windowsupdate.com/msdownload/update/v3-19990518/CabPool/q329414_mdacall_x86_6455F9E15D1FD876A354AC196BCE848B4EA39180.exe?
- DIRECT/69.28.145.34 application/octet-stream
1151634456.756 761 10.144.11.88 TCP_MISS/200
337 GET
http://v3stats.windowsupdate.com/wutrack.bin? -
DIRECT/207.46.197.117 application/octet-stream
1151634456.965 208 10.144.11.88 TCP_MISS/200
714 GET
http://windowsupdate.microsoft.com/CRCCif/6271_08A08E5B8A56FDC63B1EA85C7D30754FC5857DF3.cif?
- DIRECT/207.46.18.94 application/octet-stream

Is there any way to cache the winodwsupdate?

Thanks a lot.

John Mok


Re: [squid-users] HOWTO accelerate WindowsUpdate

2006-06-30 Thread Odhiambo WASHINGTON
* On 01/07/06 11:55 +0800, John Mok wrote:
| Hi,
| 
| I am using squid-2.5.STABLE12 on FC3 Linux and would like to reduce the 
| Internet traffic and accelerate for windowsupdate. I found that there 
| were many TCP_MISS for windowsupdate (as shown below) although I set a 
| large value for maximum object size (e.g. 600MB) and I was sure that a 
| previous user had got the update before.
| 
| 1151634455.935 9740 10.144.11.88 TCP_MISS/200
| 833603 GET
| 
http://www.download.windowsupdate.com/msdownload/update/v3-19990518/CabPool/q329414_mdacall_x86_6455F9E15D1FD876A354AC196BCE848B4EA39180.exe?
| - DIRECT/69.28.145.34 application/octet-stream
| 1151634456.756 761 10.144.11.88 TCP_MISS/200
| 337 GET
| http://v3stats.windowsupdate.com/wutrack.bin? -
| DIRECT/207.46.197.117 application/octet-stream
| 1151634456.965 208 10.144.11.88 TCP_MISS/200
| 714 GET
| 
http://windowsupdate.microsoft.com/CRCCif/6271_08A08E5B8A56FDC63B1EA85C7D30754FC5857DF3.cif?
| - DIRECT/207.46.18.94 application/octet-stream
| 
| Is there any way to cache the winodwsupdate?

IMHO, if you have a Windows farm, it would be a big advantage to run
your own local Windows Update Services Server (or whatever M$ calls
it these days).
Then all your Windows PCs will update from it, thereby reducing the
Internet traffic. It's free from Microsoft.

http://www.microsoft.com/windowsserversystem/updateservices/downloads/WSUS.mspx


-Wash

http://www.netmeister.org/news/learn2quote.html

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