NSCA, mcrypt and Solaris 10 x86

[Thomas Guyot-Sionnest]

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On 30/10/07 01:10 PM, Alloo, Vincent wrote:
> Hello,
> 
>  
> 
> I have an issue with NSCA on Solaris 10 x86 machine (SunOS svxnagios02
> 5.10 Generic_120012-14 i86pc i386 i86pc):
> 
>  
> 
> On a Linux RH4 machine, no issue:
> 
> % printf "toto\t0\tcomment\n" | /apps/nagios/libexec/send_nsca -H
> monitoring -c /db/sysadmin/nagios/send_nsca.cfg
> 
> 1 data packet(s) sent to host successfully.
> 
>  
> 
> On a Solaris 10 x86 machine:
> 
> --SSH-- > printf "toto\t0\tcomment\n" | /apps/nagios/libexec/send_nsca
> -H monitoring -c /db/sysadmin/nagios/send_nsca.cfg
> 
> Error: Failed to initialize encryption libraries for method 14
> 
> Segmentation fault
> 
>  
> 
> If I select decryption_method=0 or 1, it works fine.
> 
>  
> 
> The error message I have is:
> 
>  
> 
> Oct 30 17:54:36 svxnagios02 send_nsca[22865]: [ID 334271 user.error]
> Could not open mcrypt algorithm 'rijndael-128' with mode 'cfb'

I'd guess your Solaris Mcrypt library doesn't have the Rijndael
algorithm compiled in. The easiest way to fix would be to find an algo
supported on all your servers. You can also uninstall Mcrypt and compile
it from scratch, making sure it compiles in all the algorithms you need.

Any method over 2 should be secure enough.

Thomas
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