Uruchomienie, wykonanie: telnetd [options]
Jak działa TELNETD, co robi TELNETD: TCP/IP command. Telnet protocol server. telnetd is invoked by the Internet server for requests to connect to the Telnet port (port 23 by default). telnetd allocates a pseudo-terminal device for a client, thereby creating a login process that has the slave side of the pseudo-terminal serving as stdin, stdout, and stderr. telnetd manipulates the master side of the pseudo-terminal by implementing the Telnet protocol and by passing characters between the remote client and the login process.
The Telnet protocol is often criticized because it uses no encryption and makes it easy for snoopers to pick up user passwords. Most sites now use ssh instead
Dostępne opcje, wywołanie TELNETD: When compiled with authentication support, this option sets the authentication type. Accepted values are: Debug authentication code. No authentication required, but accept it if offered. Use login for any further verification needed to access an account. Disable authentication. Allow only authenticated remote users with permission to access their accounts without giving a password. Allow only authenticated remote users. Use login for any additional verification needed to access an account. Start telnetd manually instead of through inetd. port may be specified as an alternate TCP port number on which to run telnetd. Debugging mode. This allows telnet to print out debugging information to the connection, enabling the user to see what telnet is doing. Several modifiers are available for the debugging mode: Display data stream received by telnetd. Print information about the negotiation of the Telnet options. Display data written to the pseudo-terminal device. Print options information, as well as some additional information about what processing is going on. When compiled with support for encryption, enable encryption debugging code. Don't print host-specific information until after login is complete. Refuse connections from IP addresses with no reverse DNS information. Disable checking for lost connections with TCP keep-alives. Disable authentication type.
- Co znaczy :
- Definicja See groff co znaczy.
- Co znaczy :
- Definicja files , update the access time and modification time (and dates) to the current time and date. touch is useful in forcing other commands to handle files a certain way; for example, the operation of krzyżówka.
- Co znaczy :
- Definicja command, passing it any arguments , and time the execution. Note that there is also a shell time command, so you might need to specify the full path, usually /usr/bin/time , to run this version of co to jest.
- Co znaczy :
- Definicja Trace path to host and report the Maximum Transmission Unit (MTU.) A simplified version of traceroute without options meant for use by unprivileged users. If specified, it will use port to send UDP słownik.
- Co znaczy :
- Definicja administration command. Dump headers and packets of network traffic that match expression . The command continues to capture packets until it receives a SIGTERM or SIGINT signal (usually generated by czym jest.
Użycie TELNETD zastosowanie komendy na linii poleceńw Słownik T .
