It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 9 years ago. my machine is Ubuntu. When i click on … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 5 years ago. Improve this question I have a simple node.js server running on locahost:8127: const http = require(‘http’); http.createServer(function (req, res) { console.log(‘incoming’); }).listen(8127); Now I make requests … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question I’m trying to build a test setup which test my server’s performance under high load. In order to do that I want to … Read more
I have a conflict between the mail server and one more service. netstat -ltnp | grep -w ‘: 25’ Conclusion: (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp6 0 0 ::: 25 ::: * LISTEN – The problem … Read more
I am getting following error when running a program 2011/07/06 18:21:08 stat http error: dial tcp localhost:3179: dial tcp 127.0.0.1:3179: connection refused 2011/07/06 18:21:08 Error putting file: stat http error: dial tcp localhost:3179: dial tcp 127.0.0.1:3179: connection refused What can be the reason for this Answer without a more detail I would say that nothing … Read more
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more
I have a server running mysql, ssh and other services. I want to see the range for ephemeral ports available for the OS running: cat /proc/sys/net/ipv4/ip_local_port_range which returns 32768 – 61000. When I run sudo netstat -anp I get in the foreign addresses, many ips and also ports outside the range stated before. Example: Proto … Read more
Both UDP and TCP does not include source address, but how does it say UDP IP spoofing is easier than TCP? For example, the following webpage also says about UDP vulnerability. “Unlike TCP, UDP does not have a mechanism for verifying a packet source, which makes it very vulnerable to source-packet spoofing and inception attacks.” … Read more
when I send an E-Mail it works like this: My E-Mail Client -> My SMTP -> Recipients SMTP -> Recipients E-Mail Client I know the way how my E-Mail client communicates with my SMTP but how do the SMTP Servers communicate with each orher? How the data is being transmitted? Could someone paste something like … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 8 years ago. Improve this question I have an assignment that requires remote access into some Cisco routers. According to Netlab, it uses TCP port 23. I’m unable to … Read more
