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Forwarded from NetworkHeilton

Specify one of four commands:
DELETE: Deletes a route.
PRINT: Displays a route.
ADD: Adds a route.
CHANGE: Modifies an existing route.
destination: Specifies the host.
MASK: If the MASK keyword is present, the next parameter is interpreted as the network mask parameter.
netmask: Provided, it specifies the value of the subnet mask to be associated with this route entry. Unspecified, it takes the default value of 255.255.255.255.
Gateway: Specifies the gateway.
METRIC: Specifies the cost metric for the destination

Arp

ARP: Resolving IP addresses to MAC addresses. Displays and modifies the translation tables of IP addresses to physical addresses used by the ARP address resolution protocol.

ARP -s adr_inet adr_eth [adr_if]
ARP -d adr_inet [adr_if]
ARP -a [adr_inet] [-N adr_if]
-a Displays active ARP entries by interrogating the current data protocol. If adr_inet is specified, only the physical and IP addresses of the specified computer are displayed. If more than one network interface uses ARP, entries for each ARP table are displayed.
-g is the same as -a
adr_inet Specifies an internet address.
-N adr_if Displays ARP entries for the network interface specified by adr_if.
-d Deletes the host specified by adr_inet.
-s Adds the host and associates the adr_inet internet address with the adr_eth physical address. The physical address is given as 6 hexadecimal bytes separated by hyphens. The entry is permanent.
adr_eth Specifies a physical address.
adr_if Specifies the internet interface whose address translation table should be modified. When not specified, the first applicable interface will be used.

Nbtstat

NBTSTAT: Update cache of the LMHOSTS file. Displays protocol statistics and current TCP/IP connections using NBT (NetBIOS over TCP/IP).
NBTSTAT [-a Remote Name] [-A IP address] [-c] [-n] [-r] [-R] [-s] [S] [interval]

-a (adapter status) display the table (names) of the remote machine (known name).
-A (adapter status) display the table (names) of the remote machine (IP address).
-c (cache) display the remote name cache including the IP addresses.
-n (names) Lists local NetBIOS names.
-r (resolved) Lists names resolved by broadcast and via WINS.
-R (Reload) Clear and reload the table cache with the remote names.
-S (Sessions) Lists the sessions table with the destination IP addresses.
-s (sessions) Lists the sessions table with the destination IP addresses converted to host names via the hosts file.
Example :
nbtstat -A @IP
This command returns the NetBIOS name, system name, users connected ... to the remote machine.
Telnet

TELNET
telnet <IP or host>
telnet <IP or host> <port TCP>

The telnet command to access to a remote host in Terminal mode (passive screen) . It also allows you to check if any TCP service is running on a remote server by specifying the IP address after the TCP port number. Thus we can test whether the SMTP Service is running on a Microsoft Exchange server, using the IP address of the SMTP connector, and then 25 as the port number. The most common ports are:
ftp (21),
telnet (23),
smtp (25),
www (80),
kerberos (88),
pop3 (110),
nntp (119)
and nbt (137-139).

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