[rlug] Re: IPCHAINS - my rules

2000-09-13 Fir de Conversatie Sorin Olteanu

On Wed, 13 Sep 2000, you wrote:
> On Wed, 13 Sep 2000, Ciprian Niculescu wrote:
> 
> > wow, multe ai la o parcurgere rapida am vazut mai intai un
> > deny -s all -d all -p all
> > apoi vine un
> > allow -s all -d all -p all
> > 
> > deci aranjeaza si tu alea, mai taie din ele (acum pentru debug), ca te
> > descurci mai usor cu mai putine reguli
> 
>Pai asta iti arata ipchains -L -n ca nu stie sa arate si interfatele,
> ce e de deny e pe ppp0, ce e de all allow e pt eth0 - localnet, si pe
> forward e tot timpul accept ca nu pot masquera din mai mutle motive..

ipchains -L -v ai incercat? (asta arata si interfetele).

Sorin Olteanu

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[rlug] Re: IPCHAINS - my rules

2000-09-13 Fir de Conversatie Ionut MURGOCI


On Wed, 13 Sep 2000, Ciprian Niculescu wrote:

> wow, multe ai la o parcurgere rapida am vazut mai intai un
> deny -s all -d all -p all
> apoi vine un
> allow -s all -d all -p all
> 
> deci aranjeaza si tu alea, mai taie din ele (acum pentru debug), ca te
> descurci mai usor cu mai putine reguli

   Pai asta iti arata ipchains -L -n ca nu stie sa arate si interfatele,
ce e de deny e pe ppp0, ce e de all allow e pt eth0 - localnet, si pe
forward e tot timpul accept ca nu pot masquera din mai mutle motive..

> 
> C
> 
> P.S. intrebarea cu forwardul ramane, vad ca tu il ai gol si pe ACCEPT
> 
> Ionut MURGOCI wrote:
> 
> >   Astea imi sunt regulile :
> >
> > Chain input (policy REJECT):
> > target prot opt sourcedestination   ports
> > ACCEPT udp  l-  172.21.31.11 0.0.0.0/0
> > 32769:65535 ->   33434:33523
> > ACCEPT tcp  !y  0.0.0.0/00.0.0.0/0
> > 1024:65535 ->   22
> > ACCEPT tcp  --  0.0.0.0/00.0.0.0/0
> > 1022:1023 ->
> >   22
> > ACCEPT tcp  --  0.0.0.0/00.0.0.0/0 22 ->
> > *
> > DENY   all  l-  10.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  0.0.0.0/010.0.0.0/8n/a
> > DENY   all  l-  192.168.0.0/16   0.0.0.0/0 n/a
> > DENY   all  l-  0.0.0.0/0192.168.0.0/16n/a
> > DENY   all  l-  127.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  255.255.255.255  0.0.0.0/0 n/a
> > DENY   all  l-  0.0.0.0/00.0.0.0   n/a
> > DENY   all  l-  224.0.0.0/4  0.0.0.0/0 n/a
> > DENY   all  l-  240.0.0.0/5  0.0.0.0/0 n/a
> > DENY   all  l-  1.0.0.0/80.0.0.0/0 n/a
> > DENY   all  l-  2.0.0.0/80.0.0.0/0 n/a
> > DENY   all  l-  5.0.0.0/80.0.0.0/0 n/a
> > DENY   all  l-  7.0.0.0/80.0.0.0/0 n/a
> > DENY   all  l-  23.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  27.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  31.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  37.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  39.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  41.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  42.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  58.0.0.0/7   0.0.0.0/0 n/a
> > DENY   all  l-  60.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  65.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  66.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  67.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  68.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  69.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  70.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  71.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  72.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  73.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  74.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  75.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  76.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  77.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  78.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  79.0.0.0/8   0.0.0.0/0 n/a
> > DENY   all  l-  80.0.0.0/4   0.0.0.0/0 n/a
> > DENY   all  l-  96.0.0.0/4   0.0.0.0/0 n/a
> > DENY   all  l-  112.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  113.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  114.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  115.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  116.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  117.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  118.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  119.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  120.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  121.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  122.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  123.0.0.0/8  0.0.0.0/0 n/a
> > DENY   all  l-  124.0.0.0/8  0.0.0.0/0  

[rlug] Re: IPCHAINS - my rules

2000-09-12 Fir de Conversatie Ciprian Niculescu

scuze ca am uitat sa tai mailu mare al lui ionut, dar e numai 3:05 am

C




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[rlug] Re: IPCHAINS - my rules

2000-09-12 Fir de Conversatie Ciprian Niculescu

wow, multe ai la o parcurgere rapida am vazut mai intai un
deny -s all -d all -p all
apoi vine un
allow -s all -d all -p all

deci aranjeaza si tu alea, mai taie din ele (acum pentru debug), ca te
descurci mai usor cu mai putine reguli

C

P.S. intrebarea cu forwardul ramane, vad ca tu il ai gol si pe ACCEPT

Ionut MURGOCI wrote:

>   Astea imi sunt regulile :
>
> Chain input (policy REJECT):
> target prot opt sourcedestination   ports
> ACCEPT udp  l-  172.21.31.11 0.0.0.0/0
> 32769:65535 ->   33434:33523
> ACCEPT tcp  !y  0.0.0.0/00.0.0.0/0
> 1024:65535 ->   22
> ACCEPT tcp  --  0.0.0.0/00.0.0.0/0
> 1022:1023 ->
>   22
> ACCEPT tcp  --  0.0.0.0/00.0.0.0/0 22 ->
> *
> DENY   all  l-  10.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  0.0.0.0/010.0.0.0/8n/a
> DENY   all  l-  192.168.0.0/16   0.0.0.0/0 n/a
> DENY   all  l-  0.0.0.0/0192.168.0.0/16n/a
> DENY   all  l-  127.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  255.255.255.255  0.0.0.0/0 n/a
> DENY   all  l-  0.0.0.0/00.0.0.0   n/a
> DENY   all  l-  224.0.0.0/4  0.0.0.0/0 n/a
> DENY   all  l-  240.0.0.0/5  0.0.0.0/0 n/a
> DENY   all  l-  1.0.0.0/80.0.0.0/0 n/a
> DENY   all  l-  2.0.0.0/80.0.0.0/0 n/a
> DENY   all  l-  5.0.0.0/80.0.0.0/0 n/a
> DENY   all  l-  7.0.0.0/80.0.0.0/0 n/a
> DENY   all  l-  23.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  27.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  31.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  37.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  39.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  41.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  42.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  58.0.0.0/7   0.0.0.0/0 n/a
> DENY   all  l-  60.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  65.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  66.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  67.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  68.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  69.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  70.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  71.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  72.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  73.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  74.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  75.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  76.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  77.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  78.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  79.0.0.0/8   0.0.0.0/0 n/a
> DENY   all  l-  80.0.0.0/4   0.0.0.0/0 n/a
> DENY   all  l-  96.0.0.0/4   0.0.0.0/0 n/a
> DENY   all  l-  112.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  113.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  114.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  115.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  116.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  117.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  118.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  119.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  120.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  121.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  122.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  123.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  124.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  125.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  126.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  217.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  218.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  219.0.0.0/8  0.0.0.0/0 n/a
> DENY   all  l-  220.0.0.0/6

[rlug] Re: IPCHAINS - my rules

2000-09-12 Fir de Conversatie Camelia Nastase




> ACCEPT all  --  0.0.0.0/00.0.0.0/0 n/a
> DENY   all  --  193.226.23.790.0.0.0/0 n/a



nu cred ca mai ajunge cineva la DENY'ul de mai sus, s-a facut un match
deja in regula anterioara de ACCEPT.


mai ordoneaza putin regulile. btw, daca tot ai reject pe input, de ce mai
pui reguli de deny? pune regulile de accept, si ultima in chain'ul de
input sa fie un -j DENY --log


Camelia


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