Dell C9010 Modular Chassis Switch EMC Networking Command-Line Reference Guide - Page 239
deny tcp
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ICMP ICMP Message Type Name Message Type Keywords traceroute Traceroute ttl-exceeded TTL exceeded unreachable All unreachables deny tcp Configure a filter that drops transmission control protocol (TCP) packets meeting the filter criteria. C9000 Series Syntax Parameters deny tcp {source mask | any | host ip-address} [bit] [operator port [port]] {destination mask | any | host ip-address} [dscp] [bit] [operator port [port]] [count [bytes]] [order] [fragments] [log [interval minutes] [threshold-in-msgs [count]] [monitor] To remove this filter, you have two choices: ● Use the no seq sequence-number command if you know the filter's sequence number. ● Use the no deny tcp {source mask | any | host ip-address} {destination mask | any | host ip-address} command. source mask any host ip-address dscp bit operator port port Enter the IP address of the network or host from which the packets are sent. Enter a network mask in /prefix format (/x) or A.B.C.D. The mask, when specified in A.B.C.D format, may be either contiguous or non-contiguous. Enter the keyword any to specify that all routes are subject to the filter. Enter the keyword host then the IP address to specify a host IP address. Enter this keyword dscp to deny a packet based on the DSCP value. The range is from 0 to 63. Enter a flag or combination of bits: ● ack: acknowledgement field ● fin: finish (no more data from the user) ● psh: push function ● rst: reset the connection ● syn: synchronize sequence numbers ● urg: urgent field (OPTIONAL) Enter one of the following logical operand: ● eq = equal to ● neq = not equal to ● gt = greater than ● lt = less than ● range = inclusive range of ports (you must specify two ports for the port command) Enter the application layer port number. Enter two port numbers if using the range logical operand. The range is from 0 to 65535. The following list includes some common TCP port numbers: Access Control Lists (ACL) 239
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