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| rliang |
 Posted: Tue Aug 28, 2001 11:21 pm Post subject: |
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Novice
Joined: 12 Aug 2001
Posts: 14
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I have two win2k MQServer sitting in two side of the firewall. They need to communitcate to each other. But one of the firewall rule I have to follow is the initiator had to be inside the firewall. How can I send message for outside to the inside, how should I config both server, as from my understanding, the sender had to initiate the session anyway, any help would be appreciated.
Ray |
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| jhalstead |
| Posted: Wed Aug 29, 2001 4:36 am Post subject: |
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Master
Joined: 16 Aug 2001
Posts: 258
Location: London
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The MQSeries MA86 support pack presentation should provide some basic guidance:
http://www-4.ibm.com/software/ts/mqseries/txppacs/ma86.html
To summarise:
MQSeries works just like many other TCP/IP conversational applications, the MQSeries MCA (Message Channel Agent) at the relevant hosts controls interaction between the application and TCP/IP.
The sender selects a port at random (well - not entirely random!) to send from and the receiver listens on a fixed port. The receiving application initiates a response conversion using it's defined local port and the remote port from which the initial conversation was initiated. The firewall which communication needs to pass through must account for both hosts initiating communication.
I beleive that the MQTCPSDRPORT environmental variable can be used to control which port conversation is initiated from, however I cannot find any documentation for this in the manuals.
Hope this is of some help! The support pack runs over a number of examples.
Jamie |
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| royr |
| Posted: Wed Aug 29, 2001 5:34 am Post subject: |
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Acolyte
Joined: 30 Jun 2001
Posts: 65
Location: Israel
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Ray,
If you can't initiate a TCP session from outside the firewall, but need to send messages from there, consider using a requester/server pair of channels instead of the usual sender/receiver. See the description under "distributed queuing components" in the book MQSeries Intercommunication.
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| kolban |
| Posted: Wed Aug 29, 2001 5:47 am Post subject: |
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Grand Master
Joined: 22 May 2001
Posts: 1072
Location: Fort Worth, TX, USA
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| I would also carefully look at the MS81 SupportPac which deals directly with tunneling MQ traffic through firewalls. This is a "Product Extension" component to MQ and formally/fully supported. |
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| pacella |
| Posted: Sat Nov 14, 2009 2:45 am Post subject: |
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Newbie
Joined: 12 Nov 2009
Posts: 1
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What to do if a firewall or loopback connection are blocking a program from connecting to the internet? I was trying to download Limewire, but it says it is unable to start due to a firewall program or loopback connections. I have Limewire as an expection on my firewall and I have no idea what a loopback connection is. Please help me!!!!
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hindu matrimonial
Last edited by pacella on Fri Nov 20, 2009 11:35 pm; edited 1 time in total |
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| smdavies99 |
| Posted: Sat Nov 14, 2009 5:20 am Post subject: |
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Jedi Council
Joined: 10 Feb 2003
Posts: 6076
Location: Somewhere over the Rainbow this side of Never-never land.
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| pacella wrote: |
| What to do if a firewall or loopback connection are blocking a program from connecting to the internet? I was trying to download Limewire, but it says it is unable to start due to a firewall program or loopback connections. I have Limewire as an expection on my firewall and I have no idea what a loopback connection is. Please help me!!!! |
Excuse me for asking, what has this to do with Websphere MQ or any of its associated products?
_________________
WMQ User since 1999
MQSI/WBI/WMB/'Thingy' User since 2002
Linux user since 1995
Every time you reinvent the wheel the more square it gets (anon). If in doubt think and investigate before you ask silly questions. |
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| bruce2359 |
| Posted: Sat Nov 14, 2009 6:48 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| Quote: |
| What to do if a firewall or loopback connection are blocking a program from connecting to the internet? |
A question for your network/firewall admins.
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I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| aditya.aggarwal |
| Posted: Mon Nov 16, 2009 8:18 am Post subject: |
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Master
Joined: 13 Jan 2009
Posts: 252
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| exerk |
| Posted: Mon Nov 16, 2009 8:33 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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MS81
As for MA86, I'm not sure whether it has been withdrawn...
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