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I've been checking out using a system called ROS ( http://www.ros.org ) for some work.
There are lots of different types of data that get sent between network nodes in ROS. You define a struct of data that you want to send in a message, and ROS will handle...
Started by Fuzz on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Connection-less
On the OS side, maintaining a list of free ports that cycling through OS network ports ranks as lower concern compared to managing communication quality that multiple ports....
Protocol Overhead: connection oriented vs.
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Here is the error I get when booting up Apache2:
* Starting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Wed Oct 21 16:37:26 2009] [error] VirtualHost *:80 -- mixing...
Started by rrc7cz on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
</VirtualHost....
</VirtualHost> <VirtualHost *:81> # ...
Example:
NameVirtualHost *:80 NameVirtualHost *:81 <VirtualHost *:80> # ...
The IP addresses named with NameVirtualHost have to match the IP address in each VirtualHost element .
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I'm using ubuntu 9.10, apache2 and php5. Is it a good idea to host multiple SSL sites on one IP address but on different ports? If yes, what ports should I be using?
Answer Snippets (Read the full thread at serverfault):
Another source for annoyance is that your users must remember to enter the correct... .
So you'll loose parts of your audience this way.
I'd say it's not a good idea as there are a number of firewalls set up as port filter on other open ports.
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Ask your Facebook Friends
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How to find available COM ports in my PC? I am using framework v1.1. Is it possible to find all COM ports? If possible, help me solve the problem.
Started by RV on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
You can get a list of all the port names and then try opening....
Also please note there is no API which will get you the list of free ports.
In later versions the Serial Port support is available through the System.IO.Ports name space.
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I have a Dell Powerconnect 2324 with Gigabit ports - 24 ports 10/100 ports with 2 Gigabit ports - that never worked. It's supposed to auto-detect everything, but even trying different combinations I never get any lights or connection on the 2 Gigabit ...
Started by Sam Brightman on
, 4 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
This will also help if ....
Make linked, I see that the gigabit ethernet ports are not listed as 'plug and play' or 'autosensing'.
I believe those two gigabit ports are probably shared with port 23 & 24 of the 10/100 ports.
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I have a considerably large application that uses MSDTC. How many ports should I open? Is there any way to determine it?
EDIT: I know what ports I need to open, I don't know how many I need.
Started by Migol on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
As far as I remember the following ports were used:
TCP Port 1433 (Default port used by SQL Server)
UDP Port 1434 (Used by SQL Server)
TCP Port 3372 (Used by MSDTC.EXE)
I think Migol wants to know....
What the problem is.
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How to find out what processes are listening on specific ports in Ubuntu?
Started by Alex on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
Lsof -i :<port #>.
With lsof(1).
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I'd like to know what ports need to be opened on a firewall in order to allow public read access to an MSMQ private queue.
I'm aware that Microsoft publishes a list of ports here: http://support.microsoft.com/default.aspx?scid=kb;EN-US;178517
But I only...
Started by rusvdw on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
And this article: Clear the way - MSMQ coming through
To recap, you need ports.
From that article, it looks like all those ports are required, with the exception of port 389 a Firewall for MSMQ Access .
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How do I see which processes have open TCPIP ports in OS X ?
Started by Zubair on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at superuser):
Does wireshark work on os x?
One alternative.
Lookup, Traceroute, Whois, Finger and Port Scan.
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Is there a reliable programmatic method to open ports common firewall appliances?
Started by philbo on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
However, I'm not sure I'd call them "reliable", since not all hardware... .
It would defeat the purpose if code could just open holes, no?
The UPnP protocols may help with consumer-grade devices like cable routers .
If the firewall is a secure one, then no.
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