Cisco Guard Configuration Guide (Software Version 5.1)
Index

Table Of Contents

Symbols - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - R - S - T - U - V - W - X - Z

Index

Symbols

# (number sign) 11-13

* (wildcard) 2-9, 5-7, 11-13

A

AAA

accounting 3-18

authentication 3-7

authorization 3-15

configuring 3-4

aaa accounting command 3-18

aaa authentication command 3-7

aaa authorization command 3-15

accounting, configuring 3-18

action command 7-31

action flow 11-17

activation

activation-extent command 9-9

activation-interface command 9-5

interface 9-4

method 9-4

sensitivity 9-8

add-service command 7-15

admin privilege level 2-2, 3-8

always-accept 7-33

always-ignore 7-33

analysis protection level 1-7, 7-17

anomaly

detected 11-4

flow 11-13

anomaly detection engine memory usage 12-38, 12-42

anti-spoofing drop statistics 14-10

arp command 12-43

attack-detection command 9-12

attack report

copying 11-19

detected anomalies 11-4

exporting 11-18, 11-19

exporting automatically 11-19

history 12-37

layout 11-2

malicious packets statistics 11-3

mitigated attacks 11-6

notify 11-13

statistics 11-3

timing 11-2

viewing 11-13, 14-6

attack reports

exporting 13-9

attack statistics 14-7

attack type

client 11-9

malformed packets 11-10

mitigated attack 11-15

user defined 11-9

zombie 11-8, 11-11

authentication, configuring 3-7

authorization

disabling zone command completion 3-18, 5-9

authorization, configuring 3-11, 3-12

auth packet types 7-18

automatic protection mode 9-4

automatic protect mode 1-5, 9-4

B

bad packets to proxy drop statistics 14-10

banner

configuring login 3-44

basic

user filter actions 6-21

basic protection level 1-7, 7-17

Berkley Packet filter 6-12

BGP

announcement A-20

Cisco router configuration example 4-7

configuration 4-3

configuration example 4-6

diverting method A-8

Guard configuratio 4-11

Guard configuration 4-4

Juniper router configuration example 4-8

block dynamic filter actions 6-28

block-unauthenticated policy action 7-31

burn flash 13-15

bypass filter

command 6-17

configuring 14-5

definition 1-7, 6-2

deleting 6-20

displaying 6-19

C

capture, packets 12-19

caution

symbol overview xxix

CFE 13-15

clear counters command 2-18, 12-6

clear log command 12-14

CLI

changing prompt 3-36

command shortcuts 2-9

error messages 2-7

getting help 2-8

issuing commands 2-5

TAB completion 2-8

using 2-2

client attack 11-15

client attack mitigated attacks 11-9

command completion 3-18

command line interface

See CLI 2-2

command shortcuts 2-9

comparator 6-4

config privilege level 2-2, 3-8

configuration

file

copying 13-3

exporting 13-4

importing 13-6

viewing 12-2

importing 13-6

saving 4-1

configuration, accessing command mode 3-17

configuration mode 2-3

configure command 2-11

constructing policies 8-6

copy command

packet-dump 12-24

copy commands

ftp running-config 13-6

log 12-9, 12-12

new-version 13-13

reports 11-19

running-config 5-15, 13-4

zone log 12-12

copy-from-this 5-7

copy login-banner command 3-45

copy-policies command 8-24

copy wbm-logo command 3-47

counters

clearing 2-18, 12-6

history 12-4

counters, viewing 12-4

cpu utilization 12-39

D

date command 3-30, 3-31

DDoS

attack classification 14-6

overview 1-2

deactivate command 8-9, 9-16

deactivating commands

commands, dedactivating 2-6

deactivating protection 9-11

default-gateway command 2-19

default zone 9-8

description command 5-10

detected

anomalies 11-4

flow 11-17

diff command 8-21, 8-22

disable command 7-11

disabling

automatic export 13-10

disk usage 12-37

distributed denial of service

See DDoS

diversion A-2

BGP 4-1

BGP diverting method 4-4, A-8

dynamic next hop A-10

layer 2 topology A-5

layer 3 topology A-4

long diversion 4-38, A-7, A-19

static next hop A-9

troubleshooting 14-2

Tunnel 4-35

tunnel 4-35, A-18

divert-from router A-2

DNS

detected anomalies 11-5

drop statistics 14-9, 14-10

TCP policy templates 7-4

drop

dynamic filter action 6-28

policy action 7-31

statistics 14-8

user filter action 6-21

dropped packets

learning 8-2

drop-statistics command 14-7

dst traffic characteristics 7-19

dynamic filter

1000 and more 6-30

actions 6-21, 6-28

command 6-32, 6-34

deactivating 6-35

definition 1-7

deleting 6-34, 14-5

displaying 6-29, 14-4

displaying events 12-10

inactivating 14-5

overview 6-2, 6-27

preventing production of 6-35

sorting 6-29

terminating 6-36

zone malicious rate 6-36

dynamic privilege level 2-2, 3-8

E

enable

command 3-14, 7-11

password command 3-13

enabling services 3-3

even log

deactivating 12-9

event log

activating 12-9

event monitor command 12-9

export

disabling automatic 13-10

export command 13-9

packet-dump 12-23

reports 11-19

exporting

configuration file 13-4

log file 12-12

reports automatically 11-19

extracting signatures 12-30

F

facility 12-10

FBF

Juniper router configuration example 4-16

file server

configuring 13-2

file-server

command 13-2

configuring 13-2

deleting 13-3

displaying 13-3, 13-11

file server, displaying sync-config 13-11

filter rate

termination threshold 6-36

filters

bypass 1-7, 6-17

dynamic 1-7, 6-2, 6-27

flex-content 1-7, 6-4

overview 6-1

user 1-7, 6-20

filter-termination command 6-36

first-hit 3-22, 3-23

fixed-threshold 7-24

flash-burn command 13-15

flex-content filter

configuring 6-5

default configuration 12-55

definition 1-7, 6-2

displaying 6-14

dropped 14-8

filtering criteria 6-4

renumbering 6-5

forwarding 4-9, A-8

Layer 2 4-9

layer 2 A-11

layer 3 A-11

PBR-DST 4-12

PBR -VLAN 4-23

PBR VLAN A-14

policy based routing 4-12

VLAN VRF A-15

VPN routing 4-19

VRF A-12

VRF-VLAN 4-27

fragments

detected anomalies 11-5

policy template 7-4

G

generating signatures 12-30

global mode 2-3

global traffic characteristics 7-19

GRE

See tunnel 2-16

Guard

self protection 12-54

GUARD_DEFAULT 5-3

GUARD_LINK 5-3

GUARD_TCP_NO_ PROXY 5-4

GUARD_VOIP 5-4

GUARD configuration, importing 5-15

H

history command 12-37

host, logging 12-11

host keys

deleting 3-28, 3-29

hostname

changing 3-36

command 3-36

HTTP

detected anomalies 11-5

policy template 7-5

hybrid 11-15

I

idle session, configuring timeout 3-49

idle session, displaying timeout 3-49

importing

configuration 13-6

importing GUARD configuration 5-15

in-band

configuring interface 2-12

incoming TCP drop statistics 14-8

injecting traffic A-23

inject-to router A-2

in packet types 7-18

install new-version command 13-14

interactive

operation mode 10-5

policy status 7-33

interactive protection mode 9-4

interactive protect mode 1-5, 9-4

interactive-status command 7-33

interface

activating 2-11, 2-13

clearing couters 2-18

command 2-12, 2-14, 2-15, 2-16

configuration mode 2-3

configuring 2-12

configuring IP address2-12to 2-15, 2-16

loopback 2-15

out-of-band 2-11

ip address

modifying, zone 5-12

IP address command

excluding 5-11

ip address command 2-16

deleting 5-12

interface2-12to 2-15

zone 5-11, 9-3

IPIP

See tunnel 2-16

ip route command 2-20

IP scan

detected anomalies 11-5

policy template 7-5

IP threshold configuration 7-27

J

Juniper

routing instance 4-31

routing instances A-16

K

keepalive command 2-17

key command

add 3-30, 3-33

generate 3-35

remove 3-34

L

L2F 4-9, A-11

configuration 4-11

router configuration 4-12

land attack drop statistics 14-11

layer 2 topology A-5

layer 3 topology A-4

learning

command 8-8, 8-11

constructing policies 8-6

dropped packets 8-2

overview 8-2

policy-construction command 8-6

synchronizing results 8-5

terminating process 8-8, 8-11

threshold-tuning command 8-9

tuning thresholds 8-8

learning accept command 8-7, 8-10

learning parameters, displaying 8-13

learning params

threshold-selection command 8-14

learning-params

deactivating periodic action 8-10

deactivating periodic-action command 8-7

periodic-action command 8-7, 8-10, 8-13

threshold-multiplier command 7-25

threshold-selection command 8-10

threshold-tuned command 5-12, 8-16

learning-params fixed-threshold command 7-24

LINK templates 8-6

log

displaying subzones 9-10

log file

clearing 12-13

exporting 12-9, 12-12

history 12-37

viewing 12-12

logging, viewing configuration 12-11

logging command 12-10

login banner

configuring 3-44

deleting 3-46

importing 3-45

login-banner command 3-44

logo, adding WBM 3-47

logo, deleting WBM 3-49

long diversion 4-38, A-7, A-19

Cisco router configuration 4-41

Guard configuration 4-40

loopback interface 2-15

M

malformed packets 11-15

mitigated attacks 11-10

malformed packets drop statistics 14-11

malicious packets statistics

attack report 11-3

malicious rate termination threshold 6-35

management

overview 2-22

SSH 2-24

WBM 2-22

max-services command 7-10

memory consumption 12-38

memory usage, anomaly detection engine 12-38, 12-42

MIB, supported 3-2

min-threshold command 7-10

mitigated attacks

client attack 11-9

malformed packets 11-10

overview 11-6

spoofed 11-6

user defined 11-9

monitoring

network traffic 12-23, 12-24

MP

upgrading 13-13

MPLS LSP A-22

mtu command 2-13, 2-14, 2-16

N

netstat command 12-46

network server

configuring 13-2

deleting 13-3

displaying 13-3, 13-11

network server, displaying sync-config 13-11

new version

installing 13-14

upgrading 13-13

next hop discovery A-24

IGP A-26

IGP + BGP A-27

routing protocols A-24

next-hop router A-2

no learning command 8-8, 8-11

non DNS drop statistics 14-10

no proxy policy templates 7-7

note

symbol overview xxix

notify 11-13

notify policy action 7-32

ns policy templates 7-7

NTP 3-31

enable service 3-31

permit 3-32

server 3-32

num_sources packet type 7-18

O

on-demand 9-3

other protocols

detected anomalies 11-5

policy template 7-5

other protocols drop statistics 14-9

out_pkts packet types 7-18

outgoing TCP drop statistics 14-8

out-of-band

configuring interface 2-12

out-of-band interface 2-11

P

packet-dump

auto-capture command 12-18

automatic

activating 12-16

deactivating 12-18

displaying settings 12-18

exporting 12-23, 12-24, 13-9

signatures 12-31

packet-dump command 12-19

packets, capturing 12-19

password

changing 3-9

enabling 3-13

encrypted 3-9

password, recovering 13-16

PBR A-9, A-11

PBR-DST 4-12

Cisco router configuration 4-15

configuration 4-13

example 4-15

Guard configuration 4-14

PBR -VLAN 4-23

PBR -VLAN

Guard configuration 4-24

PBR VLAN A-14

pending dynamic filters 10-2

displaying 10-4, 10-8

periodic action

accepting policies automatically 8-10

acepting policies automatically 8-7

deactivating 8-7, 8-10

permit

command 2-22, 2-24, 3-3

user filter action 6-21

permit ssh command 3-29

ping command 12-51

pkts packet type 7-18

policy

action 7-21, 7-31, 7-32

activating 7-21

adding services 7-14

backing up current 7-39, 8-20, 8-26

command 7-20

configuration mode 2-4

constructing 1-5, 7-4, 8-3, 8-6

copying parameters 8-24

copy-policies 8-24

deleting services 7-15

disabling 7-21

inactivating 7-21

learning-params, fixed-threshold command 7-24

marking as tuned 5-12, 8-16

marking threshold as fixed 7-24

multiplying thresholds 7-26, 14-3, 14-4

navigating path 7-20

packet types 7-17

proxy threshold 7-29

show statistics 7-36

state 7-21

structure 7-2

threshold 7-4, 7-21, 7-23

threshold-list command 7-27

timeout 7-21, 7-29

traffic characteristics 7-19

tuning thresholds 1-5, 7-4, 8-3, 8-8

using wildcards 7-21, 7-34, 7-37

viewing 14-4

viewing statistics 8-12

Policy Based Routing A-9

policy-based routing 4-12

policy set-timeout command 7-30

policy template

command 7-8, 7-11

configuration command level 7-8

configuration mode 2-4

displaying list 7-8

max-services 7-10

min-threshold 7-10

overview 7-4, 7-13

parameters 7-8

state 7-11

policy-template add-service command 7-15

policy-template remove service command 7-15

port scan

detected anomalies 11-5

policy template 7-5

poweroff command 13-12

pPossible next-hop routers A-2

privilege levels 2-2

assigning passwords 3-13

moving between 3-14

protect

activating 2-21

automatic mode 1-5, 9-4

command 9-13

deactivating 9-16

deactivating automatically 9-11

entire zone 9-13

inactivity timeout 9-11

interactive mode 1-5, 9-4

on-demand 9-3

specific IP 9-15

specific ip address 9-15

specific zone IP 9-14

specific zone ip address 9-14

protect command 9-16

protection

activation sensitivity 9-8

protection-end-timer command 9-11

protection level

analysis 1-7, 7-17

basic 1-7, 7-17

strong 1-7, 7-17

protection levels

overview 7-17

protect learning command 8-9

protect-packet command 9-8

protocol traffic characteristics 7-19

proxy

command 2-21

configuring 2-21

no proxy policy templates 7-7

proxy-threshold command 7-29

public-key

displaying 3-35

R

rate-limit command 5-9, 6-17

Rate Limiter

dropped 14-8

rates

history 12-4

rates, viewing 12-4

reactivate-zones 13-11

reboot command 13-11

rebooting

parameters 13-11

recommendations

accepting 10-10

activating 10-5, 10-8

change decision 7-33

command 10-9

deactivating 10-4, 10-11

displaying 10-2

ignoring 10-10

overview 10-2

receiving notification 10-2

viewing 10-5

viewing pending-filters 10-4, 10-8

redirect/zombie

dynamic filter action 6-28

policy action 7-32

reload command 13-11

remove service command 7-15

renumbering flex-content filters 6-5

renumbering user filters 6-22

replied packets 11-3

report

See attack report 11-2

reports

details 11-13

displaying subzones 9-11

exporting 13-9

reqs packet type 7-18

router configuration mode 2-3

routing instance 4-31

routing instances A-16

routing table

GRM B-6

manipulation 2-19

viewing 2-20

zebra application B-6

RTP/RTCP 5-4

running-config

copy 5-15, 13-4, 13-6

show 12-2

S

saving configuration 4-1

self-protection command 12-54

service

adding 7-14

command 2-22, 3-3

copy 8-24

deleting 7-15

permissions 3-3

snmp-trap 3-37

wbm 2-22

services

enabling 3-3

session, configuring timeout 3-49

session, displaying idle timeout 3-49

session timeout, disableling 3-49

session-timeout command 3-49

set-action 7-32

show commands

counters 12-4

cpu 12-39

diagnostic-info 12-35

disk-usage 12-37

drop-statistics 14-7

dynamic-filters 6-29, 14-4

file-servers 13-3, 13-11

flex-content-filter 6-14

host-keys 3-29

learning parameters 8-13

learning-params 7-24

log 12-12

log export-ip 12-11

logging 12-11

login-banner 3-44

memory 12-38

packet-dump 12-18

packet-dump signatures 12-31

policies 7-34, 14-3, 14-4

policies statistics 7-36, 8-12

public-key 3-35

rates 12-4, 14-1

recommendations 10-6, 10-7

recommendations pending-filters 10-4, 10-8

reports 14-6

reports details 11-13

running-config 12-2

show 12-3

sorting dynamic-filters 6-29

sync-config file-servers 13-11

templates 5-7

zone policies 7-34

show privilege level 2-2, 3-9

show public-key command 3-35

shutdown command 2-13

signature

generating 12-30

SIP

detected anomalies 11-5

drop statistics 14-11

malformed packets 11-11

policy template 7-6

spoofed attacks 11-8

user filter action 6-21

zone template 5-4

snapshot

backing up policies 7-39, 8-20, 8-26

command 8-19

comparing 8-21

deleting 8-24

displaying 8-22

saving 8-19, 8-20

snapshot command 8-18

snapshots

save periodically 8-13

SNMP

accessing 3-2

configuring trap generator 3-37

traps description 3-38

snmp commands

community 3-43

trap-dest 3-37

source IP

tunnel 2-16

specific IP threshold 7-27

speed command 2-13

spoofed attack 11-15

spoofed attacks 11-6

src traffic characteristics 7-19

SSH

configuring 2-24

deleting keys 3-34

generating key 3-35

service 2-24

state command 7-21, 14-5

static route

adding 2-19

strong

dynamic filter action 6-28

policy action 7-31

protection level 1-7, 7-17

user filter action 6-22

sub zone 9-9, 9-10

subzone

displaying logs and attack reports 9-10

syn_by_fin packet type 7-18

syns packet type 7-18

syslog

configuring export parameters 12-10

configuring server 12-11

message format 12-10

system log

message format 12-10

T

TACACS+

authentication

key generate command 3-26, 3-29

clearing statistics 3-24

configuring search 3-22

configuring server 3-19

server connection timeout 3-23

server encryption key 3-21

server IP address 3-21

viewing statistics 3-24

tacacs-server commands

clear statistics 3-24

first-hit 3-20, 3-22, 3-23

host 3-20, 3-21

key 3-20, 3-21

show statistics 3-24

timeout 3-20, 3-23

TCP

detected anomalies 11-5

drop statistics 14-9, 14-10

no proxy policy templates 7-7

policy templates 7-5

templates

LINK 8-6

viewing policies 5-7

zone 5-3

thresh-mult 7-26, 14-3, 14-4

threshold

command 7-23

configuring IP threshold 7-27

configuring list 7-27

configuring specific IP 7-27

filter rate termination 6-36

malicious rate termination 6-35

marking as tuned 5-12, 8-16

multiplying 14-3, 14-4

multiplying before accepting 7-25

selection 8-19

setting as fixed 7-24

tuning 1-5, 8-3

threshold-list command 7-27

threshold selection 8-10

threshold tuning

save results periodically 8-13

time, configuring 3-30

timeout command 7-29

timeout session, configuring 3-49

timeout session, disabling 3-49

timesaver

symbol overview xxix

timezone 3-31

tip

symbol overview xxix

to-user-filters

dynamic filter action 6-28

policy action 7-31

traceroute command 12-49

traffic

monitoring 12-23, 12-24

traffic forwarding 4-9, A-8

traffic injection A-23

trap 12-10

trap-dest 3-37

tuning policy thresholds 8-8

tunnel

commands 2-16

configuring 2-16

GRE keepalive 2-17

tunnel diversion 4-35, A-18

Cisco router configuration 4-37

Guard configuration 4-36

U

UDP

detected anomalies 11-5

drop statistics 14-9

policy templates 7-6

unauthenticated drop statistics 14-8

unauth_pkts packet type 7-18

unauthenticated TCP detected anomalies 11-5

upgrading 13-13

MP 13-13

user

detected anomalies 11-5

user defined mitigated attacks 11-9

user filter

actions 6-21, 6-28

command 6-5, 6-22, 6-23

configuring 6-20

definition 1-7, 6-2

deleting 6-27

displaying 6-25

renumbering 6-22

username

encrypted password 3-9

username command 3-8

users

adding 3-8

adding new 3-8

assigning privilege levels 3-7

deleting 3-11

privilege levels 2-2, 3-12

system users

admin 2-10

riverhead 2-10

username command 3-8

V

VLAN

configuring 2-14

VLAN policy based routing 4-23

VLAN VPN routing forwarding 4-27

VLAN VRF A-15

Voice over IP

See VoIP

VoIP

detected anomalies 11-5

drop statistics 14-11

malformed packets 11-11

policy template 7-6

spoofed attacks 11-8

user filter action 6-21

zone template 5-4

VPN Routing Forwarding A-9

VPN routing forwarding 4-19

VRF A-9, A-12

VRF - DST

Guard configuration 4-20

VRF -DST

Cisco router configuration 4-21

VRF - VLAN 4-27

W

WBM

activating 2-22

WBM logo

adding 3-47

deleting 3-49

X

XML schema11-19to 11-22, 12-23, 13-10

Z

zebra routing table B-6

zombie 11-15

packet counter 12-5

zombie attack 11-17

zone

blocking criteria 14-4

blocking flows 14-2

clearing counters 12-6

command 5-5, 5-7, 10-5

command completion 3-18, 5-9

comparing 8-22

configuration mode 2-4, 5-8

copying 5-7

creating 5-5

creating default 9-8

defining IP address 5-11

definition 1-3, 5-2

deleting 5-7

deleting IP address 5-12

duplicating 5-7

excluding IP address 5-11

IP address 5-11

learning 8-2

LINK templates 8-6

malicious rate 9-12

modifying IP address 5-12

operation mode 5-6

protecting 9-2

reconfiguring 5-8

sub 9-9, 9-10

synchronize configuration 5-13

synchronizing offline 5-14

templates 5-3

viewing configuration 5-10

viewing policies 7-34

viewing status 12-3

zone-malicious-rate 6-36

zone policy

marking as tuned 5-12, 8-16

zone protection

terminating 9-11, 9-16