SSH (Secure shell) is a protocol for secure communication between computers to execute remote commands, transfer data and tunnel TCP connections.

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171 views

Security track record of SSHD on Windows machines?

How do the various SSH daemons that run on Windows compare in terms of security? Vulnerabilities found, reviews by respected reviewers, source code availability, etc. I only need access to a cmd ...
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2answers
20k views

How is OpenSSL related to OpenSSH?

Is OpenSSH using OpenSSL to encrypt traffic? Or something else?
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2answers
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What is the “openssh-blacklist” package? Is it related to the Debian OpenSSL bug?

What is the "openssh-blacklist" package? Is it related to the Debians OpenSSL bug?
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7answers
4k views

Why can an encrypted private key be brute forced?

When using SSH keys to authenticate to a server for remote access, why is it possible to devise the true key and therefore the passphrase from an encrypted private key, without checking each guess of ...
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4answers
4k views

What are the chances to generate the same ssh key?

I could generate ssh keys on the client like (without password): ssh-keygen -b 8192 -t rsa -f /home/THEUSER/.ssh/id_rsa -P '' -v and copy the generated id_rsa.pub to the server: ssh-copy-id -i ...
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3answers
2k views

How to use VNC with SSH tunnel - “is this howto secure”?

PC-A: the local machine, from where i want to see the remote machine [Fedora] PC-B: the remote machine, where the vnc server will be [Ubuntu] install a vnc client [from where you want to connect] on ...
6
votes
2answers
640 views

How can I authenticate a client connection in a secure way?

Let's say I have a server listening on port 1234. I have some client software that needs to be able to connect to this port. But I want to prevent malicious users from bypassing the client software ...
108
votes
7answers
98k views

What is the difference between SSL vs SSH? Which is more secure?

What is the difference between SSH and SSL? Which one is more secure, if you can compare them together? Which has more potential vulnerabilities?
8
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1answer
603 views

SSH Brute Force Dictionaries

Request for logs please. So, I had an interesting question posed to me around geographical trends in SSH brute force attempts. The question being "has anybody ever looked into the prevalent SSH ...
14
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1answer
6k views

Is SOCKS secure?

In order to create a VPN, I open an SSH tunnel with a command like ssh -D 9000 user@host, and then I set my system's proxy settings to use SOCKS5 through localhost:9000. Well, setting up my home ...
8
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5answers
3k views

Creating tunnel with most ports closed?

How can I create a proxy tunnel from a network that has all ports but port 80 closed? I guess I'd have to bind SSH on my server to port 80, but would that introduce problems to my home network since ...
38
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8answers
4k views

What methods are available for securing SSH?

What methods are available for securing SSH?