mailto:uchile.cl Escuela de Ingenieria - Facultad de Ciencias Fisicas y Matematicas Universidad de Chile ---- CHILE ======================================================================== [allowsmilie] => 1 [showsignature] => 0 [ipaddress] => [iconid] => 0 [visible] => 1 [attach] => 0 [infraction] => 0 [reportthreadid] => 0 [isusenetpost] => 1 [msgid] => [ref] => [htmlstate] => on_nl2br [postusername] => Leonardo [ip] => lespinoz@dichat [isdeleted] => 0 [usergroupid] => [membergroupids] => [displaygroupid] => [password] => [passworddate] => [email] => [styleid] => [parentemail] => [homepage] => [icq] => [aim] => [yahoo] => [msn] => [skype] => [showvbcode] => [showbirthday] => [usertitle] => [customtitle] => [joindate] => [daysprune] => [lastvisit] => [lastactivity] => [lastpost] => [lastpostid] => [posts] => [reputation] => [reputationlevelid] => [timezoneoffset] => [pmpopup] => [avatarid] => [avatarrevision] => [profilepicrevision] => [sigpicrevision] => [options] => [akvbghsfs_optionsfield] => [birthday] => [birthday_search] => [maxposts] => [startofweek] => [referrerid] => [languageid] => [emailstamp] => [threadedmode] => [autosubscribe] => [pmtotal] => [pmunread] => [salt] => [ipoints] => [infractions] => [warnings] => [infractiongroupids] => [infractiongroupid] => [adminoptions] => [profilevisits] => [friendcount] => [friendreqcount] => [vmunreadcount] => [vmmoderatedcount] => [socgroupinvitecount] => [socgroupreqcount] => [pcunreadcount] => [pcmoderatedcount] => [gmmoderatedcount] => [assetposthash] => [fbuserid] => [fbjoindate] => [fbname] => [logintype] => [fbaccesstoken] => [newrepcount] => [vbseo_likes_in] => [vbseo_likes_out] => [vbseo_likes_unread] => [temp] => [field1] => [field2] => [field3] => [field4] => [field5] => [subfolders] => [pmfolders] => [buddylist] => [ignorelist] => [signature] => [searchprefs] => [rank] => [icontitle] => [iconpath] => [avatarpath] => [hascustomavatar] => 0 [avatardateline] => [avwidth] => [avheight] => [edit_userid] => [edit_username] => [edit_dateline] => [edit_reason] => [hashistory] => [pagetext_html] => [hasimages] => [signatureparsed] => [sighasimages] => [sigpic] => [sigpicdateline] => [sigpicwidth] => [sigpicheight] => [postcount] => 1 [islastshown] => [isfirstshown] => 1 [attachments] => [allattachments] => ) --> mailto:uchile.cl > Escuela de Ingenieria - Facultad de Ciencias Fisicas y Matematicas > Universidad de Chile ---- CHILE > ========================================================================[/ref] Have a look at arpwatch, unlike nmap it just runs continuously in the background and (if I remember correctly) can email you whenever a new IP address appears or when an IP-address is reused by a different PC. Obviously, nmap will miss PCs that are currently turned off. Whether this matters depends on what you want to achieve. There will also be a log file of addresses handed out by the DHCP service. [allowsmilie] => 1 [showsignature] => 0 [ipaddress] => [iconid] => 0 [visible] => 1 [attach] => 0 [infraction] => 0 [reportthreadid] => 0 [isusenetpost] => 1 [msgid] => [ref] => [htmlstate] => on_nl2br [postusername] => Ian [ip] => scobloke2@infot [isdeleted] => 0 [usergroupid] => [membergroupids] => [displaygroupid] => [password] => [passworddate] => [email] => [styleid] => [parentemail] => [homepage] => [icq] => [aim] => [yahoo] => [msn] => [skype] => [showvbcode] => [showbirthday] => [usertitle] => [customtitle] => [joindate] => [daysprune] => [lastvisit] => [lastactivity] => [lastpost] => [lastpostid] => [posts] => [reputation] => [reputationlevelid] => [timezoneoffset] => [pmpopup] => [avatarid] => [avatarrevision] => [profilepicrevision] => [sigpicrevision] => [options] => [akvbghsfs_optionsfield] => [birthday] => [birthday_search] => [maxposts] => [startofweek] => [referrerid] => [languageid] => [emailstamp] => [threadedmode] => [autosubscribe] => [pmtotal] => [pmunread] => [salt] => [ipoints] => [infractions] => [warnings] => [infractiongroupids] => [infractiongroupid] => [adminoptions] => [profilevisits] => [friendcount] => [friendreqcount] => [vmunreadcount] => [vmmoderatedcount] => [socgroupinvitecount] => [socgroupreqcount] => [pcunreadcount] => [pcmoderatedcount] => [gmmoderatedcount] => [assetposthash] => [fbuserid] => [fbjoindate] => [fbname] => [logintype] => [fbaccesstoken] => [newrepcount] => [vbseo_likes_in] => [vbseo_likes_out] => [vbseo_likes_unread] => [temp] => [field1] => [field2] => [field3] => [field4] => [field5] => [subfolders] => [pmfolders] => [buddylist] => [ignorelist] => [signature] => [searchprefs] => [rank] => [icontitle] => [iconpath] => [avatarpath] => [hascustomavatar] => 0 [avatardateline] => [avwidth] => [avheight] => [edit_userid] => [edit_username] => [edit_dateline] => [edit_reason] => [hashistory] => [pagetext_html] => [hasimages] => [signatureparsed] => [sighasimages] => [sigpic] => [sigpicdateline] => [sigpicwidth] => [sigpicheight] => [postcount] => 3 [islastshown] => 1 [isfirstshown] => [attachments] => [allattachments] => ) --> About scanning IPs - Linux / Unix Administration

About scanning IPs - Linux / Unix Administration

Hi! I'm learning english. My writing is not the best yet. I have a win2000/NT/98 PCs network with a Linux PC as a gateway. The IPs are in the classic 192.168.X.X form. The Linux have a DHCP service too. Are there a way to scanning the used/unused IPs in the net from the Linux PC? I think there would be a unix command or procedure but I can't get it in the man library. Thanks in advance. ------------------------------------------------------------------------ Leonardo A. Espinoza Lagos ------> mailto:uchile.cl Escuela de Ingenieria - Facultad de Ciencias Fisicas y Matematicas Universidad de Chile ---- CHILE ================================================== ...

  1. #1

    Default About scanning IPs


    Hi!

    I'm learning english. My writing is not the best yet.

    I have a win2000/NT/98 PCs network with a Linux PC as a gateway. The IPs
    are in the classic 192.168.X.X form. The Linux have a DHCP service too.

    Are there a way to scanning the used/unused IPs in the net from the Linux
    PC? I think there would be a unix command or procedure but I can't get it
    in the man library.

    Thanks in advance.

    ------------------------------------------------------------------------
    Leonardo A. Espinoza Lagos ------> mailto:uchile.cl
    Escuela de Ingenieria - Facultad de Ciencias Fisicas y Matematicas
    Universidad de Chile ---- CHILE
    ================================================== ======================
    Leonardo Guest

  2. #2

    Default Re: About scanning IPs


    Leonardo Agustin Espinoza Lagos wrote: 
    IPs 
    too. 
    Linux 
    get it 
    try nmap.
    http://www.insecure.org/nmap/
    Be careful that you don't scan another IP range that you don't 'own'.

    Greg Guest

  3. #3

    Default Re: About scanning IPs

    Leonardo Agustin Espinoza Lagos wrote: 


    Have a look at arpwatch, unlike nmap it just runs continuously in the
    background and (if I remember correctly) can email you whenever a new IP
    address appears or when an IP-address is reused by a different PC.

    Obviously, nmap will miss PCs that are currently turned off. Whether
    this matters depends on what you want to achieve.

    There will also be a log file of addresses handed out by the DHCP service.
    Ian Guest

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