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Fix firewall rules - Cisco Devices - (PR v3.12) #553

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Fix firewall rules - Cisco Devices - (PR v3.12) #553

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6896daa
Add deny action at firewall rules for Cisco devices
Oct 9, 2018
22a0ada
Revert "Add deny action at firewall rules for Cisco devices"
Oct 11, 2018
14eac17
Removed cisco-ios-acl from firewall category and created Cisco ACL ru…
Oct 11, 2018
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5 changes: 2 additions & 3 deletions decoders/0065-cisco-ios_decoders.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -83,11 +83,10 @@

<decoder name="cisco-ios-acl">
<parent>cisco-ios</parent>
<type>firewall</type>
<prematch>^%SEC-6-IPACCESSLOGP: </prematch>
<regex offset="after_prematch">^list \S+ (\w+) (\w+) </regex>
<regex>(%\w+-\d-\w+):\s+list \S+ (\w+) (\w+) </regex>
<regex>(\S+)\((\d+)\) -> (\S+)\((\d+)\),</regex>
<order>action, protocol, srcip, srcport, dstip, dstport</order>
<order>id ,action, protocol, srcip, srcport, dstip, dstport</order>
</decoder>


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15 changes: 15 additions & 0 deletions rules/0075-cisco-ios_rules.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -86,4 +86,19 @@
<group>authentication_failed,pci_dss_10.2.5,pci_dss_10.2.4,gpg13_3.6,gdpr_IV_35.7.d,gdpr_IV_32.2,</group>
</rule>

<rule id="4731" level="5">
<if_sid>4716</if_sid>
<id>^%SEC-6-IPACCESSLOGP</id>
<description>Cisco ACL: denied access event.</description>
<group>firewall_drop,pci_dss_1.4,gpg13_4.12,gdpr_IV_35.7.d,</group>
</rule>

<rule id="4732" level="10" frequency="18" timeframe="45" ignore="240">
<if_matched_sid>4731</if_matched_sid>
<id>^%SEC-6-IPACCESSLOGP</id>
<action>denied</action>
<description>Cisco ACL: multiple denied access from same source.</description>
<group>multiple_drops,pci_dss_1.4,pci_dss_10.6.1,gpg13_4.12,gdpr_IV_35.7.d,</group>
</rule>

</group>
4 changes: 2 additions & 2 deletions tools/rules-testing/tests/cisco_ios.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,8 @@ log 1 pass = Sep 1 10:25:29 10.10.10.1 %SEC-6-IPACCESSLOGP: list 102 denied tcp
log 2 pass = Sep 1 10:25:29 10.10.10.1 %SEC-6-IPACCESSLOGP: list 199 denied tcp 10.0.61.108(1477) -> 10.0.127.20(445), 1 packet


rule = 4100
alert = 0
rule = 4731
alert = 5
decoder = cisco-ios