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https://issues.apache.org/jira/browse/METRON-854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16012321#comment-16012321
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ASF GitHub Bot commented on METRON-854:
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Github user ctramnitz commented on the issue:
https://github.com/apache/metron/pull/531
dhcp also carries a client-id that is often (but not always and not
reliably) the hostname. While not reliable, this is intersting information,
especially since you don't have to perform (expensive) DNS lookups, but can
consume whats on the wire or a dhcp server reports.
> Create DHCPDump Parser
> ----------------------
>
> Key: METRON-854
> URL: https://issues.apache.org/jira/browse/METRON-854
> Project: Metron
> Issue Type: New Feature
> Reporter: Bas van de Lustgraaf
> Priority: Minor
> Labels: parser
>
> Create a DHCPDump parser. This information can be used during enrichment to
> link ip-addresses to hostnames.
> {noformat}
> TIME: 2017-01-16 16:54:21.655|INTERFACE: eth2|OP:1 BOOTPREQUEST|CIADDR:
> 172.20.75.77|YIADDR: 0.0.0.0|SIADDR: 0.0.0.0|GIADDR: 172.20.75.8|CHADDR:
> fc:f8:ae:e8:ef:db:00:00:00:00:00:00:00:00:00:00|OPTION: 53 1 DHCP message
> type: 8 |DHCPINFORM|OPTION: 61 7 Client-identifier:
> 01:fc:f8:ae:e8:ef:db|OPTION: 12 5 Host name: Q1244|OPTION: 60 8 Vendor
> class identifier: MSFT 5.0|OPTION: 55 13 Parameter Request List: 1
> (Subnet mask)|| 15 (Domainname)|| 3 (Routers)|| 6 (DNS server)|| 44
> (NetBIOS name server)|| 46 (NetBIOS node type)|| 47 (NetBIOS scope)|| 31
> (Perform router discovery)|| 33 (Static route)||121 (Classless Static
> Route)||249 (MSFT - Classless route)|| 43 (Vendor specific info)||252 (MSFT -
> WinSock Proxy Auto Detect)|||IP: 10.10.10.177 > 172.20.1.11 |
> b8:ca:3a:67:95:8a > 0:50:56:84:68:43
> TIME: 2017-01-16 17:13:14.548|INTERFACE: eth2|OP:1 BOOTPREQUEST|CIADDR:
> 172.20.75.77|YIADDR: 0.0.0.0|SIADDR: 0.0.0.0|GIADDR: 172.20.75.8|CHADDR:
> fc:f8:ae:e8:ef:db:00:00:00:00:00:00:00:00:00:00|OPTION: 53 1 DHCP message
> type: 8 |DHCPINFORM|OPTION: 61 7 Client-identifier:
> 01:fc:f8:ae:e8:ef:db|OPTION: 12 5 Host name: Q1244|OPTION: 60 8 Vendor
> class identifier: MSFT 5.0|OPTION: 55 13 Parameter Request List: 1
> (Subnet mask)|| 15 (Domainname)|| 3 (Routers)|| 6 (DNS server)|| 44
> (NetBIOS name server)|| 46 (NetBIOS node type)|| 47 (NetBIOS scope)|| 31
> (Perform router discovery)|| 33 (Static route)||121 (Classless Static
> Route)||249 (MSFT - Classless route)|| 43 (Vendor specific info)||252 (MSFT -
> WinSock Proxy Auto Detect)|||IP: 10.10.10.177 > 172.20.1.10 |
> b8:ca:3a:67:95:8a > 0:50:56:b9:28:ac
> {noformat}
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