RE: UM3 & IMAP-S / POP-SSL

Perhapps you could do only a simple ping-check?
That will not monitor the actual service but only the availability of
the real servers.

From sample ldirectord.cf in Horms CVS:
# A sample virtual services that uses a ping check.
# Note that using checktype=connect and protocol=udp
# will also effect ping checks
#virtual=192.168.6.240:53
#	real=192.168.6.2:53 gate
#	real=192.168.6.3:53 gate
#	real=192.168.6.6:53 gate
# 	fallback=127.0.0.1:53 gate
#	scheduler=rr
#	#persistent=600
#	#netmask=255.255.255.255
#	checktype=ping
#	checkcount=3
#	protocol=udp

This was added in:
---
Revision 1.25 - (view) (download) (annotate) - [select for diffs] 
Mon Jun 20 06:57:26 2005 UTC (12 months, 3 weeks ago) by horms 
Branch: MAIN 
CVS Tags: STABLE_2_0_0 
Changes since 1.24: +15 -0 lines 
Diff to previous 1.24 
Add ping check
---
And 
---
Revision 1.19.2.3 - (view) (download) (annotate) - [select for diffs] 
Mon Jun 20 06:56:30 2005 UTC (12 months, 3 weeks ago) by horms 
Branch: STABLE_1_2 
Changes since 1.19.2.2: +15 -0 lines 
Diff to previous 1.19.2.2 , to branch point 1.19 
Add ping check
---

Maybe this could be of use to you.

/Mattias

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Nick
Silkey
Sent: Friday, July 14, 2006 1:14 AM
To: [email protected]
Subject: UM3 & IMAP-S / POP-SSL

Much kudos to Horms for such simple elegance.

My question for those on the list: have any UltraMonkey3 installs
successfully made SSL-based IMAP/POP highly-available?  A 'service=none'
implementation on my end doesnt provide HA; all nodes get weighted zero
when a single node drops (and, of course, the service is unreachable to
all clients).

Suggestions pushing me towards proxy/reverse-proxy solutions are
accepted as well (perhaps you can twist perdition or other tools to do
what needs to be done?  ;)

/etc/ha.d/*.cf of my DR setup available upon request.

Thanks.

-- 
Nick Silkey | [email protected]
Senior Operating Systems Specialist
Electrical & Computer Engineering
The University of Texas at Austin
ENS 526W | 512.475.8284 | 0x35EB31E2


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