Dell S6000 FTOS 9.0(2.0) Command Line Reference Guide for the System - Page 126
deny tcp
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www.dell.com | support.dell.com Version 8.3.1.0 Version 8.2.1.0 Version 6.5.10 Added dscp keyword. Allows ACL control of fragmented packets for IP (Layer 3) ACLs. Expanded to include the optional QoS order priority for the ACL entry. Usage The order option is relevant in the context of the Policy QoS feature only. See the "Quality of Information Service" chapter of the FTOS Configuration Guide for more information. deny tcp s z S6000 Configure a filter that drops TCP packets meeting the filter criteria. Syntax deny tcp {source mask | any | host ip-address} [bit] [operator port [port]] {destination mask | any | host ip-address} [dscp] [bit] [operator port [port]] [count [byte]] [order] [fragments] To remove this filter, you have two choices: • Use the no seq sequence-number command syntax if you know the filter's sequence number or • Use the no deny tcp {source mask | any | host ip-address} {destination mask | any | host ip-address} command. Parameters source mask any host ip-address dscp bit operator Enter the IP address of the network or host from which the packets were 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 followed by the IP address to specify a host IP address. Enter this keyword to deny a packet based on DSCP value. Range: 0-63 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 parameter. 126 | Access Control Lists (ACL)