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146 views

Emulate console by sending data on one UDP port, and receive text from another

I'm trying to establish a “console-like” connection with a National Instruments cRIO-FRC. It broadcasts its console output onto 255.255.255.255, UDP port 6666. I can listen to it with: socat ...
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0answers
261 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
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0answers
23 views

Linux server to send and receive from RS-232 using socat

I'm trying to bench test a configuration where a linux server will send and receive RS-232 data from a blackbox RS-232 to Ethernet converter. I've followed this example. I've configured ser2net.conf ...
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818 views

connect to a serial device via TCP socket

My setup is this: serial device ttyUSB0 connected to laptop A software that opens TCP socket to listen and write to, also runs on laptop A (linux) My goal is to pipe data from/to serial device ...
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471 views

How to check if protocol 41 (6to4) is filtered by ISP without changing the network configuration?

Obvious way (just setting up 6to4 tunnel and pinging) fails because ip command seems to be read-only on my VPS: can't change any networking-related settings. So I try using raw sockets: ...
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44 views

X11 forwarding over two hops using socat

I have following topology: PC1 <----> (PUBLIC-IP) dom0 (192.168.1.254) <----> (192.168.1.55) domU I want to start GUI application on domU and display it on PC1. For this purpose ...
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81 views

How can I allow Windows RDP ports with socat?

192.168.0.21 is a Windows 8.1 PC running RDP. Using Linux I am running socat as below, but cannot connect on port 5900 to 3389. How do I make TCP and UDP traffic on 5900 go to 3389? socat ...
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129 views

Does socat connects two rs232/COM1/serial ports with null modem cable

I have box A under which two virtual machines B and C are running. Each one of this virtual machines exposes it's COM1/rs232/serial port to machine A as TCP port. The virtual machines are Xen HVM ...
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115 views

socat buffering … how to avoid buffer blocking

i am using (playing with, to try it out) socat to relay TCP through SCTP with commands like: on the local host: socat tcp4-listen:10022,rcvbuf=1,reuseaddr sctp4:remotehost:9999,rcvbuf=1 on ...
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36 views

Forward HTTP traffic to a server behind gateway

I have a server behind gateway, which means it’s only pingable internally. Now I want to forward traffic from a outside server to this internal server. I want to use socat like: socat ...
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77 views

Make socat listen on both IPv4 and IPv6 stacks

Switched providers the other day, they only assign DSlite-connections. I'm fine, I thought. Thing is - I want to access some of my stuff from outside of my network, which should be of much less a ...
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134 views

socat and serial ports (Linux)

I'm having some issues with using socat against a serial port (on the other end is an FTDI chip) the command I'm using is socat -x ...