1*58a48454Sderaadt.\" $OpenBSD: ethers.5,v 1.20 2019/08/30 19:34:04 deraadt Exp $ 2df930be7Sderaadt.\" $NetBSD: ethers.5,v 1.2 1994/11/30 19:31:16 jtc Exp $ 3df930be7Sderaadt.\" 4df930be7Sderaadt.\" Written by Roland McGrath <roland@frob.com>. Public domain. 5df930be7Sderaadt.\" 6*58a48454Sderaadt.Dd $Mdocdate: August 30 2019 $ 7df930be7Sderaadt.Dt ETHERS 5 8fc8533a3Saaron.Os 9df930be7Sderaadt.Sh NAME 10df930be7Sderaadt.Nm ethers 11df930be7Sderaadt.Nd Ethernet host name database 12df930be7Sderaadt.Sh DESCRIPTION 13df930be7SderaadtThe 14fbd19cc4Saaron.Nm 15df930be7Sderaadtfile maps Ethernet addresses to host names. 16431305c8SaaronLines consist of an address and a host name, separated by any number 17431305c8Saaronof blanks and/or tab characters. 18ae8c025fSaaronA 19431305c8Saaron.Ql # 20ae8c025fSaaronindicates the beginning of a comment; characters up to the end of 21df930be7Sderaadtthe line are not interpreted by routines which search the file. 22df930be7Sderaadt.Pp 23ae8c025fSaaronEthernet addresses are expressed as six hexadecimal numbers separated by 241f53fde1Saaroncolons. 251f53fde1SaaronThe functions described in 26*58a48454Sderaadt.Xr ether_aton 3 27df930be7Sderaadtcan read and produce this format. 28df930be7Sderaadt.Sh FILES 29df930be7Sderaadt.Bl -tag -width /etc/ethers -compact 30df930be7Sderaadt.It Pa /etc/ethers 31df930be7Sderaadt.El 32df930be7Sderaadt.Sh SEE ALSO 33*58a48454Sderaadt.Xr ether_aton 3 , 340f31a5bbSderaadt.Xr diskless 8 353b1d4ce7Sjmc.Sh HISTORY 363b1d4ce7SjmcThe 373b1d4ce7Sjmc.Nm 383b1d4ce7Sjmcfile format was adopted from SunOS and appeared in 393b1d4ce7Sjmc.Nx 403b1d4ce7Sjmc0.9b. 41df930be7Sderaadt.Sh BUGS 42df930be7SderaadtA name server should be used instead of a static file. 4382fc667aSjmc.Pp 4482fc667aSjmcLines in 4582fc667aSjmc.Pa /etc/ethers 4682fc667aSjmcare limited to 4782fc667aSjmc.Dv BUFSIZ 4882fc667aSjmccharacters 4982fc667aSjmc.Pq currently 1024 . 5082fc667aSjmcLonger lines will be ignored. 51