Syntax/options of anomaly detection
I want to configure detection of anomalies on my IPS, but was a little confused about the syntax for the areas.
It looks like I can configure the service/inner box
172.25.13.1 - 172.25.13.254, 172.25.20.1 - 172.25.13.254
What happens if I want to make a very general internal zone (because I have a lot of subnets). I would do something like that?
172.25.1.1 - 172.25.255.255
I want to define mcuh pretty all-in-172.25.0.0 16 as an intern, but not sure of the syntax here
Hello
You can use the syntax:
172.25.0.0 - 172.25.255.255
The default values for most parameters show by starting with a network address and ending with the addresses of distribution for networks.
"Please note useful posts.
Tags: Cisco Security
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Guys,
I need to create my Ko because the current is very very old (09:59:59 GMT-06:00 killed Sep 22 2009) when I try to record manually with the command
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When trying to get through Auto/cisco.com update if I get the following in the event logs each attempt update:
evError: eventId = 1319467413849005289 = severity = error Cisco vendor
Author:
hostId: xxxx
appName: mainApp
appInstanceId: 354
time: October 26, 2011 11:40:01 UTC offset = 60 timeZone = GMT00:00
errorMessage: AutoUpdate exception: failed to connect HTTP [1 111] name = errSystemError
I've included a conf 'show' and a 'facilitator stat"below.
See the XXXXXX conf #.
! ------------------------------
! Current configuration last modified Wed Oct 26 10:48:07 2011
! ------------------------------
! Version 7.0 (6)
! Host:
! Domain keys key1.0
! Definition of signature:
! Update of the signature S604.0 2011-10-20
! ------------------------------
service interface
output
! ------------------------------
authentication service
output
! ------------------------------
rules0 rules for event-action service
output
! ------------------------------
service host
the network settings
Host-ip 10.x.x.x/24,10.x.x.x
hostname xxxxxx
Telnet-option turned off
access-list 10.x.x.x/32
access-list 10.x.x.x/16
access-list 10.x.x.x/32
primary-active DNS server
address 10.x.x.x
output
secondary-server DNS disabled
tertiary-disabled DNS server
output
time zone settings
offset 0
standard time-zone-name-GMT00:00
output
NTP-option enabled-ntp-no authenticated
Server NTP 10.x.x.x
output
Summertime-recurring option
Summertime-zone-name GMT00:00
Start-summertime
last week of the month
output
end-summertime
month October
last week of the month
output
end-summertime
month October
last week of the month
output
output
automatic update
Cisco-Server enabled
scheduling periodic-calendar option
beginning 00:40:00
interval 1
output
username xxxxxxxxxxxxxxx
Cisco-url https://198.133.219.25//cgi-bin/front.x/ida/locator/locator.pl
output
output
output
! ------------------------------
service recorder
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! ------------------------------
network access service
output
! ------------------------------
notification services
output
! ------------------------------
Service signature-definition sig0
output
! ------------------------------
Service ssh-known-hosts
output
! ------------------------------
trust-certificates of service
output
! ------------------------------
web-server service
output
! ------------------------------
Service-ad0 anomaly detection
output
! ------------------------------
service interface external product
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! ------------------------------
health-monitor service
output
! ------------------------------
service global correlation
output
! ------------------------------
aaa service
output
! ------------------------------
service-analysis engine
vs0 virtual sensor
Physics-interface GigabitEthernet0/1
output
output
XXXXXX # host stat
General statistics
Last updated to host Config (UTC) = 27 October 2011 08:27:10
Control device control Port = GigabitEthernet0/0
Network statistics
= ge0_0 link encap HWaddr 00:12:D9:48:F7:44
= inet addr:10.x.x.x Bcast:10.x.x.x.x mask: 255.255.255.0
= RUNNING UP BROADCAST MULTICAST MTU:1500 metric: 1
= Dropped packets: 470106 RX errors: 0:0 overruns: 0 frame: 0
= Dropped packets: 139322 TX errors: 0:0 overruns: 0 carrier: 0
= collisions: 0 txqueuelen:1000
= RX bytes: 40821181 (38.9 MiB) TX bytes: 102615325 (97.8 MiB)
= Address: 0xbc00 memory: f8200000 of base-f8220000
NTP statistics
= distance refid st t when poll reach delay offset jitter
= * time.xxxx.x 195.x.x.x 3 u 142 1024 377 1, 825 - 0.626 0.305
= L LOCAL (0) LOCAL (0) 15 59 64 377 0.000 0.000 0.001
= ind assID status conf scope auth condition last_event cnt
= 1 43092 b644 Yes Yes No sys.peer 4 available
= 2 43093 9044 Yes Yes No accessible release 4
status = synchronized
Memory usage
usedBytes = 664383488
freeBytes = 368111616
totalBytes = 1032495104
Statistics of Summertime
Start = GMT00:00 03:00 Sunday, March 27, 2011
end = GMT00:00 01:00 Sunday October 30, 2011
Statistics of the processor
Its use in the last 5 seconds = 51
Its use during the last minute = 44
Its use in the last 5 minutes = 50
Memory statistics
Use of memory (bytes) = 664383488
Free MEMORY (bytes) = 368111616
Auto Update Statistics
lastDirectoryReadAttempt = 08:40 GMT00:00 Thursday, October 27, 2011
= Reading directory: https://198.133.219.25//cgi-bin/front.x/ida/locator/locator.pl
= Error: Auto update an exception: failed to connect HTTP [1 111]
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lastInstallAttempt = n/a
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Your error message indicates "HTTP connection failed."
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IPS (7.0 (7) E4) on ASA-SSM-10 block DNS without alerts
Hi all
I have the IPS module:
Build version: 1.1 - 7, 0000 E4
ASA 5500 Series Security Services Module-10
Update of the signature S652.0 2012-06-20
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4 June 26, 2012 18:21:47 193.227.240.38 53 IPS 65347 sd-out asked to drop the UDP packet from outside:193.227.240.38/53 to dmz1:sd - outside/65347
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! ------------------------------
! Current configuration last modified Tue Jun 26 18:01:58 2012
! ------------------------------
! Version 7.0(7)
! Host:
! Realm Keys key1.0
! Signature Definition:
! Signature Update S652.0 2012-06-20
! ------------------------------
service interface
exit
! ------------------------------
service authentication
exit
! ------------------------------
service event-action-rules rules0
filters edit PROXY
attacker-address-range 192.168.72.7
actions-to-remove deny-attacker-inline|deny-packet-inline
os-relevance relevant|not-relevant|unknown
exit
filters edit Q00000
signature-id-range 5684
attacker-address-range 95.190.8.0-95.190.8.255
actions-to-remove deny-attacker-inline|deny-packet-inline
os-relevance relevant|not-relevant|unknown
exit
filters edit Q00001
signature-id-range 5684
victim-address-range 95.190.8.0-95.190.8.255
actions-to-remove deny-attacker-inline|deny-packet-inline
os-relevance relevant|not-relevant|unknown
exit
filters edit USERS
signature-id-range 1102,5237,2152,5684,2100,5581,3030,6061,3030,11020,5403,5474,20020,60000-60100
attacker-address-range 192.168.0.0-192.168.255.255
actions-to-remove deny-attacker-inline|deny-packet-inline
os-relevance relevant|not-relevant|unknown
exit
filters edit USERS2
signature-id-range 5575-5591,2151,21619,2150-2151
attacker-address-range 192.168.0.0-192.168.255.255
victim-address-range 192.168.0.0-192.168.255.255
actions-to-remove deny-attacker-inline|deny-packet-inline
os-relevance relevant|not-relevant|unknown
exit
filters move PROXY begin
filters move USERS after PROXY
filters move Q00000 after USERS
filters move Q00001 after Q00000
filters move USERS2 after Q00001
general
global-deny-timeout 14400
exit
target-value low target-address 192.168.0.0-192.168.255.255
target-value medium target-address 192.168.1.0-192.168.1.255,192.168.64.0-192.168.64.255,192.168.3.0-192.168.3.49,192.168.65.128-192.168.65.255
target-value high target-address 192.168.72.2-192.168.72.254,192.168.66.0-192.168.67.255,192.168.2.0-192.168.2.255
target-value mission-critical target-address 192.168.65.0-192.168.65.127
os-identification
calc-arr-for-ip-range 192.168.0.0-192.168.255.255
exit
exit
! ------------------------------
service host
network-settings
host-ip 192.168.64.194/24,192.168.64.1
host-name gw1-ips
telnet-option disabled
access-list 192.168.0.0/16
dns-primary-server enabled
address 192.168.66.2
exit
dns-secondary-server enabled
address 192.168.72.19
exit
dns-tertiary-server enabled
address 192.168.72.20
exit
exit
time-zone-settings
offset 360
standard-time-zone-name GMT+06:00
exit
ntp-option enabled-ntp-unauthenticated
ntp-server 192.168.64.1
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summertime-option disabled
auto-upgrade
cisco-server enabled
schedule-option calendar-schedule
times-of-day 04:20:00
days-of-week sunday
days-of-week tuesday
days-of-week thursday
days-of-week saturday
exit
user-name dimaonline
cisco-url https://198.133.219.25/cgi-bin/front.x/ida/locator/locator.pl
exit
exit
exit
! ------------------------------
service logger
exit
! ------------------------------
service network-access
general
enable-acl-logging true
never-block-networks 192.168.0.0/16
exit
exit
! ------------------------------
service signature-definition sig0
signatures 60000 0
alert-severity low
sig-fidelity-rating 50
sig-description
sig-name XPress Administrator Service
sig-string-info Access to Administrator Service
sig-comment External user open Admin
sig-creation-date 20120622
exit
engine service-http
max-field-sizes
specify-max-uri-field-length no
exit
regex
specify-uri-regex yes
uri-regex [Aa]dministrator[Ss]ervice[.]asmx
exit
exit
service-ports 80
exit
event-counter
event-count 1
event-count-key Axxx
specify-alert-interval no
exit
alert-frequency
summary-mode summarize
summary-interval 15
summary-key Axxx
specify-global-summary-threshold no
exit
exit
vulnerable-os windows-nt-2k-xp
specify-mars-category yes
mars-category Info/Misc/Login
exit
exit
signatures 60000 1
alert-severity low
sig-fidelity-rating 50
sig-description
sig-name Xpress Bridge
sig-string-info Service URL
sig-comment External Access to bridge
sig-creation-date 20120625
exit
engine service-http
regex
specify-uri-regex yes
uri-regex [Bb]ridge[/][Ss]ervice[.]asmx
exit
exit
service-ports 80
exit
event-counter
event-count 1
event-count-key Axxx
specify-alert-interval no
exit
alert-frequency
summary-mode summarize
summary-interval 15
summary-key Axxx
specify-global-summary-threshold no
exit
exit
status
enabled true
exit
specify-mars-category yes
mars-category Info/Misc/Login
exit
exit
signatures 60001 0
alert-severity high
sig-fidelity-rating 90
sig-description
sig-name FreePBX Display Extentions
sig-string-info Acces to Extentions settings
sig-comment Weak Password Detection
sig-creation-date 20120622
exit
engine service-http
event-action produce-alert|deny-attacker-inline
regex
specify-uri-regex yes
uri-regex [/]admin[/]config[.]php
exit
specify-arg-name-regex yes
arg-name-regex display
specify-arg-value-regex yes
arg-value-regex (extensions)|(trunks)
exit
exit
exit
service-ports 80
exit
event-counter
event-count 1
event-count-key Axxx
specify-alert-interval no
exit
alert-frequency
summary-mode summarize
summary-interval 15
summary-key Axxx
specify-global-summary-threshold no
exit
exit
exit
exit
! ------------------------------
service ssh-known-hosts
exit
! ------------------------------
service trusted-certificates
exit
! ------------------------------
service web-server
enable-tls false
port 80
exit
! ------------------------------
service anomaly-detection ad0
internal-zone
enabled true
ip-address-range 192.168.0.0-192.168.255.255
tcp
enabled true
exit
udp
enabled true
exit
other
enabled true
exit
exit
illegal-zone
enabled false
tcp
enabled false
exit
udp
enabled false
exit
other
enabled false
exit
exit
ignore
source-ip-address-range 192.168.0.0-192.168.255.255
exit
exit
! ------------------------------
service external-product-interface
exit
! ------------------------------
service health-monitor
signature-update-policy
enable false
exit
license-expiration-policy
enable false
exit
event-retrieval-policy
enable false
exit
exit
! ------------------------------
service global-correlation
exit
! ------------------------------
service aaa
exit
! ------------------------------
service analysis-engine
virtual-sensor vs0
physical-interface GigabitEthernet0/1
exit
exit
I confirmed with the Ironport team that this IP is a bad host in sensorbase. This is the reason for the traffic of this host being removed. There could be several reasons for this subnet to the list, for example, it could be part of a controlled host known by spammers. You must reach out to the development team for a confirmation however.
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*@orlacf*
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