Questions tagged [tcp]
TCP stands for Transmission Control Protocol and is one of the core protocols of the Internet Protocol Suite. TCP complements the Internet Protocol (IP), and therefore the entire suite is commonly referred to as TCP/IP.
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Disable TLS 1.3 over TCP
After you create a website in Internet Information Services (IIS) Manager, in the config file in the path below,
C:\Windows\System32\inetsrv\config\applicationHost.config
You can modify the following ...
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Why is TCP connection on Windows machines, retransmitting after receiving a correct ACK from HTTP server
Using two different Windows laptops, one with Win 7 and the other Win 11, I'm trying to connect to the HTTP GUI of a device (cell phone booster) that's connected directly to my laptop through an ...
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What happens between a TCP handshake and HTTP CONNECT?
When you have a system making HTTPS requests through a web proxy, my understanding is that there is the TCP handshake between the client and the proxy, then the client sends a HTTP CONNECT to ...
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Retransmission of TCP packets
I have device A (10.10.25.1), which is connected to device B(10.10.25.52) via unmanaged switch. Device A is a computer. Device B is measurement instrument. Device A is continuously(every 1sec) sending ...
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Windows can't connect more than 64k concurrency outgoing connection
I'm trying to make 100k concurrency outgoing connection from one pc to my local server.
My program can use specific ip on each connection.
Goal : 1 pc have around 100k concurrency outgoing connection.
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How to disable TCP SACK in Windows XP?
Device 1 Windows XP. 192.168.101.173, I have access to the application code, but it is massive.
Device 2 Embedded device. 192.168.101.205. I don’t have access to the code or even to logs from this ...
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How to enable Windows 10 TCP keepalive?
As per this answer TCP keepalive can be enabled by three registry values. However, setting KeepAliveInterval=KeepAliveInterval=30000 miliseconds and TCPMaxDataRetransmissions=5 definitely does not ...
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Print Related Communication - RPC over TCP vs RPC over Named Pipes
In Windows 11, version 22H2. Microsoft made some changes to enhance security, one of those is the change in the communication of print related operations. Making RPC over TCP the default for client – ...
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Miktrotik: disconnect TCP connection
I am working on a mobile device project. I have the mobile device connected on a local USB Wifi hotspot on an Ubuntu PC and I can WireShark the TLS connections which the mobile device creates towards ...
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How do I run a permanent tunnel in localxpose?
I am able to create a localxpose tunnel in ubuntu with this command:
:loclx tunnel tcp
but when I close my local connection to my server, the tunnel closes with it.
Is there a way to keep a tunnel ...
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TCP Receiver's Window stop increasing
I'm debugging a high-bandwidth TCP connection whose throughput is significantly lower than the capability of the device and the network. The network between these 2 hosts is expected to be high ...
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is it possible to OpenVPN connection UDP through SSH tunnel?
Hi i search a lot on the Internet, especially in this site and read more post and articles about using OpenVPN connection through SSH tunnel but all tutorials about using TCP protocol to do that. in ...
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wazuh agents cannot connect using cloudflare tunnel
I installed wazuh in docker on my synology which exposes the following ports:
0.0.0.0:1514-1515->1514-1515/tcp, :::1514-1515->1514-1515/tcp
On the same machine (also in docker) i am running a ...
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Seeing several thousand retransmits every 10 sec. via iperf3 on TCP traffic through a propritary network bridge device
What is the most likely cause of TCP packet fastACKretransmits when testing with iperf3 on a small 5-7 node Linus AutoIP network running on a TI AM5728 board? Where and what setting should we check ...
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UDP client to listen to a multicast group/port without setting its own IP?
I have a small microcontroller device that I program via USB using Python. The device has an Ethernet connection, which can be configured either with DHCP or by manually setting the IP/Subnet via USB. ...
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Iptables Fail to block inbound from specific ip
Hi I Have a online server which i use like gateway and iptables is acting weird
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i ...
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Http proxy server for unit test to connect to sftp through java
I am successfully able to connect to sftp over http proxy using paramiko library in python using
ncat —proxy command
Now I want to test it using java junit test. I am able to successfully create ...
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TTL getting changed while pinging local network printer
When i'm pining a local device (NW printer) from win-10 PC using cmd, the TTL changing from 64 to 255 and again back to 64 continuously.
Kindly share the probable cause for this. see below..
Reply ...
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Teardrop detected from TCP ACK from myself
I'm experimenting with linux (Debian 5.10) networking to allow me to connect two networks (eg. 192.168.0.0/24 with 172.17.0.0/16) together.
Setup
In my case it is a small server with one NIC, hosting ...
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Why do we need L7 reverse proxy for increasing the limit of max TCP connection to the backend?
I stumbled upon a YT video- 5 mins which explains that there's technically no limit to the number of connections that can be opened between the clients and servers even if there's a reverse proxy ...
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Windows8 drops network connection shortly after boot (but works if I wait)
I have a test lab which runs tests against Windows8 machine, more specifically a Pytest project which generates TCP traffic from my Ubuntu machine to Windows8 machine, and from the Windows8 machine ...
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How to force `telnet` (in TCP mode) to send bytes immediately?
In Linux, when I run telnet <address> <port> and then type things, it buffers data and only sends collected line when I hit Enter. Furthermore, it buffers up to 4096 characters and ...
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File service latency is high, How to troubleshoot?
This service is a file upload service and the request packet capture in the live network is as follows:
The data uploaded by the client is halfway through, and then it will not be sent
The server ...
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How to send back TCP packets using iptables
I am trying to demonstrate TCP communication with a Ubuntu 18.04 box (which mocks a QNX setup) that does not have a listener installed. Consider that due to some license issues it might not be ...
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Trying to stream a video loop using FFMPEG. However, I keep getting the error "Cannot Write the Headers Server returned 400 Bad Request"
I am using mediamtx for starting RTSP server. The command that I am using for ffmpeg is as follows:
ffmpeg -re -stream_loop -1 -i ./clouds.mp4 -f rtsp -rtsp_transport tcp rtsp://localhost:8554
The ...
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What prevents unsolicited internet packets from using up my monthly data limit?
My home router can use port-forwarding to act as a server, so I assume all internet packets
sent with my public IP address as a destination are hitting it (and just not getting any
response from my ...
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Download so many tiny files without archiving? [closed]
I want to implement a file server for a mobile app. This app requires so many tiny files to be downloaded from the server before it begins it's work And with updates from version to version some files ...
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Is it normal to get no retransmissions using TCP on Nordic Boards?
For a Projekt I am connecting 2 Nordic Boards together over IEEE 802.15.4 and measure their bandwidth using TCP. The two nrf52840dk Boards are 1m apart (one acting as a border router for my PC).
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What is stored in the "Winsock Catalog"?
Another user's question prompted me to write this one.
I have no purpose for the question other than curiosity.
Does anyone actually KNOW what is stored in what is called the Winsock Catalog? At the ...
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Low Windows bandwidth in google cloud platform
I have an on-premise site with mainly Windows resources and an up-to-date Forti firewall as the central communication device. This site is connected through a partner interconnect created according to ...
