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OSI OSI 7 Layer Model
7. Application Layer - DHCP, DNS, FTP, HTTP, IMAP4, NNTP, POP3, SMTP, SNMP, SSH, TELNET and NTPmore)
6. Presentation layer - SSL, WEP, WPA, Kerberos,
5. Session layer - Logical Ports 21, 22, 23, 80 etc…
4. Transport - TCP, SPX and UDPmore)
3. Network - IPv4, IPV6, IPX, OSPF, ICMP, IGMP and ARPMP
2. Data Link- 802.11 (WLAN), Wi-Fi, WiMAX, ATM, Ethernet, Token Ring, Frame Relay, PPTP, L2TP and ISDN-ore)
1. Physical-Hubs, Repeaters, Cables, Optical Fiber, SONET/SDN,Coaxial Cable, Twisted Pair Cable and Connectors (more)
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Which directory holds encryption keys for users connection to ssh servers?
Typically it would be a hidden folder called ".ssh".
What application layer protocol is commonly used for secure remote access to a switch or router?
SSH
How do you use SSH?
SSH is extremely simple. Using the SSH client, you connect to the computer running the SSH server using the commandssh [ip address or hostname here]
What does a SSH Keygen actually do?
An SSH Keygen is used to generate, manage, and convert authentication keys for SSH authentication. With an SSH Keygen tool, a user can create passphrase keys for both SSH protocol version 1 and 2.
What is the name of the main SSH server config file?
/etc/ssh/sshd_config In some distributions it can be in odd places like /etc/sshd_config, /usr/local/etc/ssh/sshd_config
What protocol is meant to be a secure alternative to Telnet?
ssh
How do you install an SSH server in Linux?
Most Linux distributions will come with SSH preinstalled. If it's not, install the package "ssh".
What is the name of the SSH client utility?
It is usually referred to simply as "SSH."
How do you set-up ssh with dsa rsa public key authentication?
To set up SSH with DSA/RSA public key authentication, you need to generate a key pair on the client machine using a command like ssh-keygen. Then, copy the public key to the server's ~/.ssh/authorized_keys file. Finally, make sure the permissions on the ~/.ssh/ directory and the authorized_keys file are secure (e.g., chmod 700 ~/.ssh and chmod 600 ~/.ssh/authorized_keys).
How do you remove the ssh dir in unix?
I assume you mean the user's ssh directory, which is stored in their home directory. Use the following command: rm -rf .ssh This will remove any previously used and verified ssh connections so any connections after that via ssh will need to be verified.
What is the SSH ports?
The well-known traditional port for ssh is port 22.
Which package provide the SSH service?
sshd is the package provide ssh sessions .
