Telnet | A simple telnet server | Telnet library

by daentech C++ Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | Telnet Summary

Telnet is a C++ library typically used in Networking, Telnet applications. Telnet has no bugs, it has no vulnerabilities and it has low support. You can download it from GitLab, GitHub.

A simple telnet server for Cisco.

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Quality

Security

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Support

Telnet has a low active ecosystem.

It has 16 star(s) with 9 fork(s). There are 5 watchers for this library.

It had no major release in the last 6 months.

There are 2 open issues and 3 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of Telnet is current.

Quality

Telnet has no bugs reported.

Security

Telnet has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

Telnet does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

Telnet releases are not available. You will need to build from source code and install.

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Telnet Key Features

No Key Features are available at this moment for Telnet.

Telnet Examples and Code Snippets

No Code Snippets are available at this moment for Telnet.

Community Discussions

Trending Discussions on Telnet

How to use select() to set a timer for sockets?

Nodemailer SMTP Server receives e-mail but doesn't respond anything

TCP server doubling inputs

codecov fails in github actions

Getting MQRC_HOST_NOT_AVAILABLE Error in Linux Docker container running .net Core IBM MQ. any solution

How to avoid "module not found" error while calling scrapy project from crontab?

How to create custom checks in tfsec

PuTTY telnet option 63 (0x32), what should it be?

How can I get crawlspider to fetch these links?

Recognize telnet protocol with Scapy python

QUESTION

How to use select() to set a timer for sockets?

Asked 2021-Jun-15 at 21:17

I'm currently using Winsock2 to be able to test a connection to multiple local telnet servers, but if the server connection fails, the default Winsock client takes forever to timeout.

I've seen from other posts that select() can set a timeout for the connection part, and that setsockopt() with timeval can timeout the receiving portion of the code, but I have no idea how to implement either. Pieces of code that I've copy/pasted from other answers always seem to fail for me.

How would I use both of these functions in the default client code? Or, if it isn't possible to use those functions in the default client code, can someone give me some pointers on how to use those functions correctly?

...

ANSWER

Answered 2021-Jun-15 at 21:17

select() can set a timeout for the connection part.

Yes, but only if you put the socket into non-blocking mode before calling connect(), so that connect() exits immediately and then the code can use select() to wait for the socket to report when the connect operation has finished. But the code shown is not doing that.

setsockopt() with timeval can timeout the receiving portion of the code

Yes, though select() can also be used to timeout a read operation, as well. Simply call select() first, and then call recv() only if select() reports that the socket is readable (has pending data to read).

Try something like this:

Source https://stackoverflow.com/questions/67990097

QUESTION

Nodemailer SMTP Server receives e-mail but doesn't respond anything

Asked 2021-Jun-12 at 06:01

I have got a simple script for receiving e-mails, even though it receives e-mails and prints ok, unfortunately, doesn't respond to sending server, (no 250OK) as a result sending server keeps sending the same e-mail (retrying)

What is required to respond or what might be wrong?

In this setup, this code running in my local network (OsX), my router's port 25 forwarded to my machine.

...

ANSWER

Answered 2021-Jun-12 at 06:01

After a while, I tried a while more and I've found the solution.

This part is not working

Source https://stackoverflow.com/questions/66164560

QUESTION

TCP server doubling inputs

Asked 2021-Jun-11 at 18:00

I am currently developing a simple TCP server using gevent. This is the current code:

...

ANSWER

Answered 2021-Jun-11 at 18:00

You can check with a tool like Wireshark what is really sent. I think telnet sends as soon as possible, to allow using an application that needs single key strokes, like editors or nethack.

TCP is a stream protocol, not a message protocol, so there is no guarantee, that message boundaries are preserved. If you want to echo line by line, you have to collect until you receive the \n.

Source https://stackoverflow.com/questions/67941396

QUESTION

codecov fails in github actions

Asked 2021-Jun-09 at 22:09

backgrond

my setup for codecov has worked well so far
- you can regular updates with each pr commits here
- I haven't change my repo settings
as I've inadvertently pushed a folder that I wasn't supposed to,
then I merged a pr to remove said folder
here is my codecov.yml

issue

on the aforementioned last pr linked above the github action ci complained with the log below

...

ANSWER

Answered 2021-Jun-06 at 17:47

Codecov has some heisenberg issues. If you don't have a token, please add one otherwise try to:

Force-push to retrigger Codecov
Rotate your token.

Source https://stackoverflow.com/questions/67861379

QUESTION

Getting MQRC_HOST_NOT_AVAILABLE Error in Linux Docker container running .net Core IBM MQ. any solution

Asked 2021-Jun-09 at 09:35

I hava a .Net Core application that puts messages on an IBM message queue. The connection is secure ssl connection with cypherspec TLS_RSA_WITH_AES_256_CBC_SHA256. I am using the sample application from IBM .Net Core client for managed code. While running the code normally on my computer and Visual Studio debug it works on windows.

Have the certs in the Dockerfile

...

ANSWER

Answered 2021-Jun-09 at 09:35

I found the solution to my own question. There are a few things that caused this error.

The .net core has its own certificate store, should add the certificate there. Then use the following works also in Linux.

Source https://stackoverflow.com/questions/67759854

QUESTION

How to avoid "module not found" error while calling scrapy project from crontab?

Asked 2021-Jun-07 at 15:35

I am currently building a small test project to learn how to use crontab on Linux (Ubuntu 20.04.2 LTS).

My crontab file looks like this:

* * * * * sh /home/path_to .../crontab_start_spider.sh >> /home/path_to .../log_python_test.log 2>&1

What I want crontab to do, is to use the shell file below to start a scrapy project. The output is stored in the file log_python_test.log.

My shell file (numbers are only for reference in this question):

...

ANSWER

Answered 2021-Jun-07 at 15:35

I found a solution to my problem. In fact, just as I suspected, there was a missing directory to my PYTHONPATH. It was the directory that contained the gtts package.

Solution: If you have the same problem,

Find the package

I looked at that post

Add it to sys.path (which will also add it to PYTHONPATH)

Add this code at the top of your script (in my case, the pipelines.py):

Source https://stackoverflow.com/questions/67841062

QUESTION

How to create custom checks in tfsec

Asked 2021-Jun-07 at 03:05

I have the following policy that I wish to implement in my IaC code scan using tfsec:

Custom Check: GCP Firewall rule allows all traffic on Telnet port (23)

The below is my custom check in .json format:

...

ANSWER

Answered 2021-Mar-18 at 19:07

I think now looking at it formatted its clear that source_ranges is a child of the google_compute_firewall resource. The ports attribute is a child of the allow. Your check is assuming that ports is a sibling of source_ranges.

I think this check is achievable with the following - it does a predicate check that there is source_range as required AND there is a block called allow, with an attribute ports containing 23

Source https://stackoverflow.com/questions/66695911

QUESTION

PuTTY telnet option 63 (0x32), what should it be?

Asked 2021-Jun-02 at 13:34

For an application I had to develop a simple telnet module. (Which I could do quickly with the help of minimalistic telnet) I did create a telnet server and a client and I used PuTTY to test the behavior of the server. PuTYY was configured for 'Telnet negotiation mode: active'.

In the server I did see the expected telnet negotiation sequence (and it was giving correct replies). The last action in the PuTTY negotiation was a strange one.

0xff 0xfe 0x32 or IAC DONT 0x32

The third byte, 0x32, is the option and that is where the problem is (for me). I did look up all Telnet options at IANA and according to them the options range 50-137 is unassigned (0x32 is 62).

What is behind PuTTY option 0x32? I have looked on the internet but can't find anything. I have looked up the PuTTY documentation, same thing. Putting up a request to the PuTTY development is severely discouraged due to capacity problems (not enough hands to type a sensible reply).

It is perfectly sensible not to use this unknown option but it still is nagging me. What is option 0x3e supposed to do?

...

ANSWER

Answered 2021-Jun-02 at 13:34

Problem solved. There was an error in my server code causing PuTTY to generate a reply for a non existing option.

I hereby thank Simon Tatham for the suggestion he gave leading me to find the real problem.

Source https://stackoverflow.com/questions/67471827

QUESTION

How can I get crawlspider to fetch these links?

Asked 2021-May-26 at 10:50

I am trying to fetch the links from the scorecard column on this page...

https://stats.espncricinfo.com/uae/engine/records/team/match_results.html?class=3;id=1965;type=ground

I am using a crawlspider, and trying to access the links with this xpath expression....

...

ANSWER

Answered 2021-May-26 at 10:50

The key line in the log is this one

Source https://stackoverflow.com/questions/67692941

QUESTION

Recognize telnet protocol with Scapy python

Asked 2021-May-25 at 15:37

I am reading a Pcap file with Scapy. How can I recognize if, in this pcap file, there is a packet that uses the Telnet protocol?

I see that Scapy can write 'telnet' into dport/sport only if 1 of those ports is 23, but if I am using another port for Telnet, how do I recognize this with Scapy?

...

ANSWER

Answered 2021-May-24 at 19:35

Try doing

Source https://stackoverflow.com/questions/67404757

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install Telnet

You can download it from GitLab, GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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