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SunRPC Numbers: `nmap-rpc`
| Chapter 14. Understanding and Customizing Nmap Data Files |
## SunRPC Numbers: `nmap-rpc` As with `nmap-services`, `nmap-rpc` simply maps numbers to names. In this case, SunRPC program numbers are mapped to the program name which uses them. Example 14.3, “Excerpt from `nmap-rpc`” offers a typical excerpt. Example 14.3. Excerpt from `nmap-rpc`
    rpcbind         100000  portmap sunrpc rpcbind
    rstatd          100001  rstat rup perfmeter rstat_svc
    rusersd         100002  rusers
    nfs             100003  nfsprog nfsd
    ypserv          100004  ypprog
    mountd          100005  mount showmount
    rpc.operd       100080  opermsg         # Sun Online-Backup
    # DMFE/DAWS (Defense Automated Warning System)
    #
    Gqsrv           200034  gqsrv
    Ppt             200035  ppt
    Pmt             200036  pmt
Nmap only cares about the first two whitespace-separated columns—the program name and number. It doesn't look at any aliases or comments that may appear beyond that. Blank lines and those starting with pound comments are permitted. This format is the same as used by `/etc/rpc` on Unix, so administrators may use that file instead if they desire. `nmap-rpc` is only used by the RPC grinding feature of Nmap version descriptions. That feature is covered in the section called “RPC Grinding” Users rarely change `nmap-rpc`. When they do, it is usually to add a custom service or a public one that is missing from the latest `nmap-rpc`. In the latter case, please send a note to me at `<fyodor@insecure.org>` so that I can add it to the next version. As with `nmap-services`, some administrators strip the file down, removing obscure RPC programs to save scan time. The same warning applies: specify your stripped `nmap-rpc` with the `--datadir` option rather than installing it where it will be used implicitly.
Version Scanning DB: `nmap-service-probes` |  | Nmap OS Detection DB: `nmap-os-db`
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