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Re: Re: lug-bg: MAC+IP


  • Subject: Re: Re: lug-bg: MAC+IP
  • From: todorin@xxxxxx (Todor Belev)
  • Date: Thu, 29 Nov 2001 16:27:00 +0200



Imenno tova pitah, 
tova znachi che ako ne pravish proverka chesto za tova dali 
ima avtomatichno dobaveni entryta v ARP tablicata , az ot 
strna na "hitrec" shte moga da si smenia IP-to i da rabotia 
do sledvashtia pyt kogato si pochistish dinamichno 
dobavenoto entry (t.e. pri restart na mashinata).
Ako tova se pravi na 1 minuta (t.e. flushvane na dinamichno 
dobavenite zapisi v ARP tablicata) az pyk moga da si 
napravia script s koito dinamichno si promeniam IP to da 
kajem na vremeto na koeto ti pochistvash tablicata.
Za tova mi beshe vyrposa za niakakyv trik s koito shet 
mojesh izcialo da zabranish dinamichnoto dobaviane na 
entryta v ARP tablicata.

Todorin

>-------- Îðèãèíàëíî ïèñìî --------
>Îò:  <owner-lug-bg@xxxxxxxxxxxxxxxxxx> 
>Îòíîñíî: Re: lug-bg: MAC+IP
>Äî : <lug-bg@xxxxxxxxxxxxxxxxxx>
>Èçïðàòåíî íà: 29.11.2001 16:18:45
>-----------------------------------
>
>On Thu, 29 Nov 2001 16:04:27 +0200
>Todor Belev wrote:
>
>> Zdravei, 
>> Iskam da popitam tova oznachava li che ARP tablicata
>niama 
>> da ima avtomatichen update.
>> Po skoro mehanizma na skripta ti niama li da byde da
>
>> chistish pyrvo IP - to i sled tova da go setvash...
>> Ako e taka oznachava li che na opredeleno vreme trebe
>da go 
>> puskash tozi script(cronjob naprimer). 
>
>Hm... ami da, nali tova bjah napisal v postinga: `arp
>-d IP_ADDRESS` za da razkarash entry-to za tozi IP v
>ARP tablicata i `arp -s IP_ADDRESS MAC_ADDRESS` za da
>go zakovesh kum daden MAC address. Za auto update na
>arp table - da i ne. Tezi koito setnesh tvurdo taka
>shte si stojat, a za koito ne si ukazval izrichno -
>shte si se update-vat (ako sum razbral pravilno kakvo
>pitash). Opredelenoto vreme pri nas e pri startup na
>mashinata, v edin rc script si gi setvame. Userite ni
>ne se promenjat s koj znae kakva dinamika, napravo s
>nikakva daze.  
>
>> Ima li nachin na ARP-to da byde zabraneno
>avtomatichnoto 
>> dobaviane na zapisi tam.
>
>Kude e "tam"?
>
>Take care
>
>Boris Jordanov (borj) <borj@xxxxxxxxx>
>ICQ 10751645
>
>PGP-key-fingerprint:------------------------------
>CB23 8B52 5FBC F36A 1B61  F1ED 2831 E52D AAFF 7B08
>--------------------------------------------------
>Public-key:---------------------------------------
>http://borj.freeshell.org/borj.asc
>--------------------------------------------------
>If one does not know to which port is sailing,
>no wind is favorable.
>
-----------------------------------
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