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PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection.
Tunneling a TCP-encapsulating payload (such as PPP) over a TCP-based connection (such as SSH's port forwarding) is known as "TCP-over-TCP", and doing so can induce a dramatic loss in transmission performance due to the TCP meltdown problem, [26] [27] which is why virtual private network software may instead use for the tunnel connection a ...
An SSH client is a software program which uses the secure shell protocol to connect to a remote computer. This article compares a selection of notable clients. This article compares a selection of notable clients.
Local port forwarding is the most common type of port forwarding. It is used to let a user connect from the local computer to another server, i.e. forward data securely from another client application running on the same computer as a Secure Shell (SSH) client. By using local port forwarding, firewalls that block certain web pages, can be ...
They provide a GUI as well as command-line interface to support SFTP, SSH, SCP, and VPN using the TCP/IP tunneling feature. [8] [9] [10] The software among other supports GSSAPI-enabled Kerberos 5 exchange and NTLM Kerberos 5 user authentication. [11] It provides two-factor authentication and compatibility with RFC 6238 authenticator apps. [12]
An SSH tunnel can provide a secure path over the Internet, through a firewall to a virtual machine. [9] The IANA has assigned TCP port 22, UDP port 22 and SCTP port 22 for this protocol. [10] IANA had listed the standard TCP port 22 for SSH servers as one of the well-known ports as early as 2001. [11]
PuTTY is a Win32 SSH client that supports local creation of SOCKS (dynamic) tunnels through remote SSH servers. Secure ShellFish is a SSH client for iOS and macOS that includes a SOCKS server. ShimmerCat [ 20 ] is a web server that uses SOCKS5 to simulate an internal network, allowing web developers to test their local sites without modifying ...
Tunneling a TCP-encapsulating payload (such as PPP) over a TCP-based connection (such as SSH's port forwarding) is known as "TCP-over-TCP", and doing so can induce a dramatic loss in transmission performance — known as the TCP meltdown problem [6] [7] which is why virtual private network (VPN) software may instead use a protocol simpler than ...