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Questions tagged [multiplexing]

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Use HTTPS and IMAP services on the same port

Is there any multiplexer that allows the use of both HTTPS and IMAP on port 993 like what SSLH does for SSH and HTTPS & etc.?
wertvoll's user avatar
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0 answers
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IOT http multiplexing through cloud host

I'm exploring the feasibility of multiplexing http service from up to 100 IOT devices thru a single cloud host. The diagram below represents what's desired. Situation: We have complete control over ...
Mike Ellis's user avatar
1 vote
0 answers
83 views

How to regulate the random ip and ports fired by SSLH demultiplexer?

I followed this tutorial to install the SSLH package to handle both web hosting and openvpn in my ubuntu 18 server. However, my server can just handle very limit public incoming port, such as 80,443,...
user5151477's user avatar
1 vote
0 answers
336 views

pssh with ssh ProxyJump with multiplexing session re-use

I have a list of nodes, that are accessible only through a bastion server. On these nodes, I would like to execute commands in parallel. So, I had been trying to use ssh -J flag or, respectively, the ...
THX's user avatar
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1 answer
1k views

Why can't I have more than two SSH connections to a server?

I am using Puppet PE 2017.3.5.0-1 on a CentOS7 AWS instance. When I SSH into this machine, to a default installation, I am getting limited to two connections only. When I try to connect again (from a ...
Brian Thomas's user avatar
7 votes
2 answers
14k views

socat forwarding to multiple addresses

I have a single incoming video stream, and I'd like to set up multiple processes to handle it, each running at its own address. After some reading it seems socat is one way to do this socat TCP4-...
Shukri Adams's user avatar
0 votes
1 answer
370 views

Chromecast mDNS burst slowing down PCs

Starting a few weeks ago, at seemingly random intervals, 3 of 5 PCs will lag at the same time for a few seconds to the extent where mouse and keyboard input is delayed and VoIP calls are dropped. ...
mythofechelon's user avatar
0 votes
0 answers
1k views

multiplexing a TCP connection through a dumb shell connection?

I am connecting to a VPN whose gateway is sufficiently misconfigured that basically the only useful thing I can do with it is to ssh to a specific Linux host set up for my usage inside the VPN, and ...
Dan Lenski's user avatar
3 votes
1 answer
5k views

sshd_config limit / disable multiplexing

Background: ssh (client) allows the re-use of active connections via multiplexing ControlPaths ... Host * ControlMaster auto ControlPath /home/username/.ssh/%r@%h:%p the TL;DR is the first ...
Oneiroi's user avatar
  • 2,063
1 vote
1 answer
3k views

Enabling SSH multiplexing for a series of commands, then closing it

I'm trying to create multiplexed ssh connections for a series of commands that run in succession, then after the series of commands is finished, close the multiplex session. According to the ...
Justin's user avatar
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0 votes
2 answers
1k views

ssh multiplexing via port forwarding

I'm trying to create a setup where one could "ssh" to a specific port on localhost and then get forwarded to a remote server and into a shell, without the need to enter credentials (nope, secret key ...
frnhr's user avatar
  • 125
7 votes
1 answer
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Removing port forwardings programmatically on a ControlMaster SSH session

Quite a while ago I got an answer telling me how to add a port-forwarding on a running SSH ControlMaster process. To know that helps a lot, but I'm still missing a way to remove such a port forwarding ...
aef's user avatar
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16 votes
1 answer
4k views

Adding port forwardings programmatically on a ControlMaster SSH session

I just found out about the ControlMaster/ControlPath feature of OpenSSH, which allows you to use a single SSH connection to run multiple terminals. As I often use SSH to use port forwarding to get ...
aef's user avatar
  • 1,785
2 votes
2 answers
176 views

ATM, why asynchronous?

i'm studing for a multimedia networks exams and i don't understand why ATM is asynchronous. i know that it is asyncrhonous if used with SONET but this makes no sense..
nkint's user avatar
  • 153
9 votes
3 answers
6k views

Is there any way to use session multiplexing (Control Master) from windows?

On our Repository server adding a ControlMaster to the ssd/config file (creates socket?) resulted in a 50x transfer speed increase from roughly 2.5 seconds averaged to 0.05 seconds average. The ...
Joshua Enfield's user avatar
1 vote
2 answers
169 views

Funnelling http traffic

I have a situation where a large batch of servers (X), on demand, need to request data from a smaller set of web servers (Y). The worst case scenario is if all servers in X decide to fetch different ...
spencer p's user avatar
3 votes
2 answers
2k views

Can I make ssh tell me which control file it would use for multiplexing?

I am using the following options in my ~/.ssh/config in order to enable connection multiplexing: ControlMaster auto ControlPath ~/.ssh/control/master-%r@%h:%p However, this has the annoying problem ...
Ryan C. Thompson's user avatar
4 votes
4 answers
719 views

Recommendations on good terminal multiplexer [closed]

Please recommend me a good terminal multiplexer. I'm new to sys admin work and need a good way to mange multiple boxes. Edit: Just be clear, I'm looking for something like PuTTy that can send ...
user avatar
0 votes
2 answers
3k views

Multiplexing at OSI Layer 4

I am reading this article and it talks about Multiplexing at the Transport Layer of the OSI model. I can't seem to find out what it means with 'multiplexing' at that layer? As multiplexing is a ...
Tony The Lion's user avatar
2 votes
2 answers
508 views

OpenSSH multiplexed connection unexpectedly closed

I have following configuration in .ssh config: Host * GSSAPIAuthentication no Compression yes ForwardAgent yes ForwardX11 no Protocol 2 ...
user avatar
0 votes
4 answers
158 views

How is frequency multiplexing implemented?

How is frequency multiplexing implemented? I understand that in time division multiplexing the feed of each channel just uses its own time interval for sending out data over the same medium. But how ...
user avatar
7 votes
3 answers
4k views

NetBackup Multiplexing for Oracle RMAN Backups

My question is... what multiplexing factor in NetBackup is recommended / do you use for Oracle RMAN backups over 1Gb/s management network to LTO3? JB Background: With enterprise backup tools like ...
Jonathan Bourke's user avatar