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cfservd: Private decrypt failed = block type is not 02

From: Erik Williamson
Subject: cfservd: Private decrypt failed = block type is not 02
Date: Wed, 18 May 2005 08:46:23 -0600
User-agent: Mozilla Thunderbird 1.0.2-1.4.2 (X11/20050328)

Hi All,

Server & clients are i386 running RHEL 4 / running Dag Wieers' cfengine 2.1.14. All machines are at the same patchlevel.

I brought the server down yesterday to add more memory, and upgrade the kernel (2.6.9-5.0.3 -> 2.6.9-5.0.5)

Now clients are getting this error (we all know this one!):
cfengine:gx280test: Authentication dialogue with failed
cfengine:gx280test: Unable to establish connection with (failover) cfengine:gx280test: BAD: Host authentication failed. Did you forget the domain name or IP/DNS address registration (for ipv4 or ipv6)?

(Everything was working so well beforehand)

Server logs show:
May 18 08:33:36 asa cfservd[5547]: Host authorization/authentication failed or access denied May 18 08:33:36 asa cfservd[5547]: From (,user=root,ip= May 18 08:33:36 asa cfservd[5547]: ID from connecting host: (SAUTH y 256 37) May 18 08:33:36 asa cfservd[5547]: Private decrypt failed = block type is not 02

When running the server with -d2, this is all I can see that is 'Interesting':

    (Concatenated 280 from stream)
Received: [SAUTH y 256 37] on socket 5
Challenge encryption = y, nonce = 37, buf = 256
cfservd: Private decrypt failed = padding check failed
Transaction Send[t 114][Packed text]
Attempting to send 122 bytes

I saw there was an earlier thread on this some time ago (, but the problem was fixed.

If it's any help, when the server first rebooted it reverted to using the tg3 driver for it's nic, and is now back using bcm5700 (You never know if that will help)

Has anyone seen this? If there's more information I can provide, please let me know.

Thanks for the help!

e r i k   w i l l i a m s o n                     address@hidden
 system admin . department of computer science . university of calgary

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