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7
votes
3answers
3k views

What's the difference between socat and netcat?

I understand that socat is described as a "more advanced" version of netcat, but what is the actual difference? Would it be correct to say that everything you can do in netcat you can also do in ...
5
votes
1answer
3k views

Forwarding linux terminal from serial port to TCP with socat

I'm working on embedded ARM platform, Slackware. I'm using G24 Java modem which is configured to forward data between ports /dev/ttyS1 and /dev/ttyACM0, so anything that goes onto any of these ports ...
4
votes
5answers
2k views

Forward local port or socket file to remote socket file

Quick question - I run two linux boxes, one my own desktop and the other my VPS. For security reasons on the VPS end I opted for socket connections to MySQL (/var/run/mysqld/mysql.sock). I know I can ...
4
votes
1answer
521 views

Socat to share a serial link between multiple processes

I have a scenario where multiple processes on the same box want to communicate with a serial device. Process A needs two-way communications with the serial port, and Process B only needs to be able ...
2
votes
5answers
4k views

echo server with netcat or socat

I want a UDP echo server to get packets, and reply exactly what it has received. How can I simply do this using netcat or socat? It should stay alive forever and handle packets coming from several ...
2
votes
2answers
887 views

socat connect-connect “proxy” two inbound TCP connections to expose a firewalled service?

I'm struggling a bit trying to see how to use socat (or a similar TCP port redirector) to expose a firewalled service on a PC. Here's the scenario: I have a server PC which will be acting as a ...
2
votes
2answers
1k views

Forwarding serial port over network and back to serial char device on remote host (socat?)

I'm working with a linux application which needs to talk with a remotely-located serial (rs-232) device. I've worked out how to use socat on the remote end to send the device's serial data over an IP ...
2
votes
2answers
648 views

Access D-Bus remotely using socat

Description: I'd like to access a D-Bus system service from another machine, knowing only machine's IP address and the service to connect to. What I have recently found is Gabriel (D-Bus over SSH). ...
2
votes
0answers
106 views

Resolving HAProxy BADREQs using socat

I'm trying to figure out why i'm getting BADREQs from time to time, by using "show errors" in socat. The problem is that it only shows the last error. I want to be able to see all of them ( like using ...
2
votes
0answers
431 views

Can socat be used to forward an ssh-agent socket into a chroot?

I'm building custom Debian environments on a remote server, which I connect to over SSH. This involves building a debootstrap environment, then chrooting into it to run a custom installer. As part of ...
1
vote
1answer
691 views

socat: Show incoming connections

I am slightly going mad. Even if I call socat like this: socat -vvvv tcp4-listen:9000 tcp4-listen:9001 it works perfectly, but doesn't inform me about incoming TCP connections! Is there an ...
1
vote
1answer
3k views

Is it possible to make a web browser proxy tunnel with Netcat/Socat?

Concerning the Netcat/Socat utility . From the man page, it seems like it is possible to create a secure proxy using netcat by which I could point my web browser to like a proxy server , that could ...
1
vote
1answer
83 views

Simulate tcp disconnect using socat

I am trying to use socat command to simulate a tcp disconnect between my client service and EMS broker process on a remote host. I am running this socat command socat TCP-LISTEN:8123,fork ...
1
vote
1answer
2k views

Windows/Linux socat to share a serial device over IP

I have a scenario where I demonstrated to my group @ work how to share a very expensive USB patient simulator plugged into a Raspberry Pi (Debian) using socat. The group wants to be able to have an ...
0
votes
2answers
50 views

Dumping the contents of HTTP packets between two VPNs

Here's my setup: Client ---> VPN 1 (my pc, same subnet of the client) --> VPN 2 (external VPN) --> Internet Both VPNs are L2TP/IPSec and the first one is an Ubuntu server with Openswan. I need ...
0
votes
2answers
359 views

Redirect to port based on requested (sub)domain (1 IP, non-HTTP request) [duplicate]

Possible Duplicate: How to use DNS to redirect domain to specific port on my server So I've been trying to figure out how to redirect a subdomain to a specific port. Let's assume the ...
0
votes
1answer
181 views

Using socat to exec php cli

There are multiple client programs that periodically connect to a port on my server and send a single line of text. When a connection to the port is made I need to start a PHP CLI script that ...
0
votes
1answer
3k views

How do i use socat as a proxy server?

I'd like my .NET app to use a proxy which i know how to do except .net doesnt support sock4a/sock5. I know how to setup my app but How do i setup socat to at as a TCP proxy on part 1234 and use the ...
0
votes
1answer
423 views

Need help in Haproxy socat for cacti

am using the haproxy socat to get the sessions data to plot it in cacti, /var/run/socket-haproxy is owned by www-data (the user which cacti uses) but when I try to execute this command as www-data am ...
0
votes
0answers
45 views

socat UNIX to TCP-LISTEN raw

I have a virtual machine on Linux host which uses a virtual serial port connected to a UNIX socket as I/O. I would like to access this socket using TCP with working control characters (ctrl+c, ...) ...
0
votes
0answers
37 views

use socat to provide password to bsign

I have many servers, where I deploy various binaries. For this purpose I use a script that packs them into archives, publishes in the local repository and then ssh-es to the target servers and ...
0
votes
1answer
40 views

with socat, given port on the remote (server) host is to be forwarded to the given host and port on the local side

Is it possible to use socat to achieve the following, without the need of using ssh? > ssh -N -R 8080:localhost:1080 mylogin@server.com -R [bind_address:]port:host:hostport Specifies that the ...
0
votes
1answer
187 views

Forwarding SNMP ports over SSH

I access my work network through a VPN and have access to every host in there through SSH. Currently I need to access around 3000 hosts via SNMP, but corporate sec policies restrict SNMP access ...
0
votes
0answers
58 views

Replicate mysql server with networking disabled

I like having network disabled on mysql, but now I need to replicate one table across two servers. That is, the table will be updated on one server and then I need a copy of that table to be ...