Questions tagged [tcp]
The Transmission Control Protocol (TCP) is a core protocol of the Internet protocol suite.
6 questions
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What is `intu-ec-client` listening on TCP port 8021?
I'm wondering how I can either kill it or change the port it listens on.
Neither lsof -nP -i4TCP:8021 | grep LISTEN nor netstat -av | grep 8021 or launchctl list | awk 'NR>1 {print $3}' | xargs -I %...
- 211
6
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1
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How to Use Terminal for "Little Snitch" Functionality without Little Snitch
I'm a Terminal newb, and trying to wrap my head around manual "Little Snitch" functionality without using Little Snitch.
From the research I've been doing, I've landed on the fact that I need to ...
- 109
2
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1
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Strange Ports opened on my Iphone?
I've run NMAP several times on my home network in my campaign of learning the basics of network security.
So far all my devices except my PC have been Iphones/Chromebooks so nothing has been found in ...
- 21
1
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1
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How to properly trigger path mtu discovery
I've activate the pmtu attribute in my machine.
sysctl net.inet.tcp.path_mtu_discovery
net.inet.tcp.path_mtu_discovery: 1
then I've used /usr/bin/nscurl to send messages to a remote gateway with mtu=...
- 631
1
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1
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Have DHCP for Wi-Fi and static IP for Ethernet?
I'm trying to connect to a device over Ethernet and set a static IP for the Ethernet to talk to the device. When I do this, I can talk to the device but it kills connection to the Wi-Fi and I can't ...
- 11
0
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1
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How to force open TCP 443 on my machine?
I turned off the firewall. Then, using nmap in the terminal, I issued the statement
nmap 127.0.0.1
and got
Starting Nmap 7.12 ( https://nmap.org ) at 2016-08-15 11:00 PHT
Nmap scan report for ...
