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* Help me please!
@ 2014-02-15 20:13 Juan David Alejandro Cadena Cedano
  2014-02-16  3:53 ` Gregg Levine
                   ` (2 more replies)
  0 siblings, 3 replies; 8+ messages in thread
From: Juan David Alejandro Cadena Cedano @ 2014-02-15 20:13 UTC (permalink / raw)
  To: grub-devel

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Hi!


I want to enable usb serial ... as it appears on the page:
http://www.coreboot.org/GRUB2, but the terminal_output command print it:


"Active output Terminals:

vga_text

Available output terminals:

gfxterm spkmodem serial_ * mda_text cbmemc serial audio"



then ls command print it:

"(usb0) (memdisk)"



but when I write "serial --speed=115200 --word=8 --parity=no --stop=1 usb0"
this print it:

"serial port 'usb0' is not found"



My computer is an Acer c710-2847 and it has a chromium OS, I wanted to add
the seaBios to install Ubuntu from USB, but I overwrote the flash ROM and
now my computer will not start, the seaBios not working. Not even shows me
the options to choose... therefore I can't read the USB. I don't know what
to do; I don't know how to come back to "Chrome OS" and I can't boot from
the USB ...the only option is to use the GRUB2 command-line but I don't
know how to use the serial usb on grub2

I thank you so much

-- 
*Juan David Alejandro Cadena Cedano*

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^ permalink raw reply	[flat|nested] 8+ messages in thread
* RE: HELP ME PLEASE!!!!!!!!!
@ 2003-08-26 22:52 George Vieira
  0 siblings, 0 replies; 8+ messages in thread
From: George Vieira @ 2003-08-26 22:52 UTC (permalink / raw)
  To: Daniel Arjona, netfilter

Firstly, using "!!!!!!" gets you nowhere.
Now, if your firewall doesn't work.. follow the rules of "KISS" (Keep It Simple Stupid) which everybody knows.

Remove all the protection of the internal IPs and dropping in the FORWARD chain and put some LOGging rule to see which are being droped and why...

Thanks,
____________________________________________
George Vieira
Systems Manager
georgev@citadelcomputer.com.au

-----Original Message-----
From: Daniel Arjona [mailto:darjona@transito.gob.pa]
Sent: Wednesday, August 27, 2003 6:15 AM
To: netfilter@lists.netfilter.org
Subject: HELP ME PLEASE!!!!!!!!!


Hello:

I tried to configure an iptables firewall, but i can't.  I need cofigure
this to use FTP, Kazaa, Internet, ICQ and access the IMAP server of Netscape
with my Netscape Client.
I'm a Linux newbie.
Please Help me!!!

Observations:  iptables firewall, mail server and proxy server are installed
in the same server. It's not recomended, but i don`t have other choice.

Regards,

DANIEL ARJONA
PD:  SEE MY IPTABLES SCRIPT


## eth1 = my local interface
## eth0 = public network interface
## XXX.XXX.XXX.0/24 = My local subnet

## FLUSH
iptables -F
iptables -X
iptables -Z
iptables -t nat -F

## DEFAULT POLICIES
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT

## LOCAL HOST
iptables -A INPUT -i lo -j ACCEPT


## ACCEPT ACCESS FROM THE LOCAL NETWORK & LOCAL INTERFACE
iptables -A INPUT -s XXX.XXX.XXX.0/24 -i eth1 -j ACCEPT

## SMTP Port
iptables -A INPUT -s 0.0.0.0/0 -p tcp --dport 25 -j ACCEPT

## POP3 Port
iptables -A INPUT -s 0.0.0.0/0 -p tcp --dport 110 -j ACCEPT

## FORWARDS TO HTTP PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 80 -j ACCEPT

## FORWARDS TO HTTPS PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 443 -j ACCEPT

## FORWARDS TO IMAP PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 143 -j ACCEPT

## FORWARDS TO KAZAA PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 1214 -j
ACCEPT

## FORWARD TO DNS QUERIES PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 53 -j ACCEPT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p udp --dport 53 -j ACCEPT

## FORWARDS TO FTP PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 21 -j ACCEPT

## DENIED FORWARD FOR THE OTHERS PORTS
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -j DROP

## MASQUERADING OF THE LOCAL NETWORK
iptables -t nat -A POSTROUTING -s XXX.XXX.XXX.0/24 -o eth0 -j MASQUERADE

echo 1 > /proc/sys/net/ipv4/ip_forward

iptables -A INPUT -s 0.0.0.0/0 -i eth0 -p tcp --dport 1:1024 -j DROP
iptables -A INPUT -s 0.0.0.0/0 -i eth0 -p udp --dport 1:1024 -j DROP

## CLOSE WEBMIN PORT
iptables -A INPUT -s 0.0.0.0/0 -i eth0 -p tcp --dport 10000 -j DROP

echo " OK . Verifique que lo que se aplica con: iptables -L -n"

# END





^ permalink raw reply	[flat|nested] 8+ messages in thread
* HELP ME PLEASE!!!!!!!!!
@ 2003-08-26 20:14 Daniel Arjona
  2003-08-26 23:11 ` Arnt Karlsen
  0 siblings, 1 reply; 8+ messages in thread
From: Daniel Arjona @ 2003-08-26 20:14 UTC (permalink / raw)
  To: netfilter

Hello:

I tried to configure an iptables firewall, but i can't.  I need cofigure
this to use FTP, Kazaa, Internet, ICQ and access the IMAP server of Netscape
with my Netscape Client.
I'm a Linux newbie.
Please Help me!!!

Observations:  iptables firewall, mail server and proxy server are installed
in the same server. It's not recomended, but i don`t have other choice.

Regards,

DANIEL ARJONA
PD:  SEE MY IPTABLES SCRIPT


## eth1 = my local interface
## eth0 = public network interface
## XXX.XXX.XXX.0/24 = My local subnet

## FLUSH
iptables -F
iptables -X
iptables -Z
iptables -t nat -F

## DEFAULT POLICIES
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT

## LOCAL HOST
iptables -A INPUT -i lo -j ACCEPT


## ACCEPT ACCESS FROM THE LOCAL NETWORK & LOCAL INTERFACE
iptables -A INPUT -s XXX.XXX.XXX.0/24 -i eth1 -j ACCEPT

## SMTP Port
iptables -A INPUT -s 0.0.0.0/0 -p tcp --dport 25 -j ACCEPT

## POP3 Port
iptables -A INPUT -s 0.0.0.0/0 -p tcp --dport 110 -j ACCEPT

## FORWARDS TO HTTP PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 80 -j ACCEPT

## FORWARDS TO HTTPS PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 443 -j ACCEPT

## FORWARDS TO IMAP PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 143 -j ACCEPT

## FORWARDS TO KAZAA PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 1214 -j
ACCEPT

## FORWARD TO DNS QUERIES PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 53 -j ACCEPT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p udp --dport 53 -j ACCEPT

## FORWARDS TO FTP PORT
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -p tcp --dport 21 -j ACCEPT

## DENIED FORWARD FOR THE OTHERS PORTS
iptables -A FORWARD -s XXX.XXX.XXX.0/24 -i eth1 -j DROP

## MASQUERADING OF THE LOCAL NETWORK
iptables -t nat -A POSTROUTING -s XXX.XXX.XXX.0/24 -o eth0 -j MASQUERADE

echo 1 > /proc/sys/net/ipv4/ip_forward

iptables -A INPUT -s 0.0.0.0/0 -i eth0 -p tcp --dport 1:1024 -j DROP
iptables -A INPUT -s 0.0.0.0/0 -i eth0 -p udp --dport 1:1024 -j DROP

## CLOSE WEBMIN PORT
iptables -A INPUT -s 0.0.0.0/0 -i eth0 -p tcp --dport 10000 -j DROP

echo " OK . Verifique que lo que se aplica con: iptables -L -n"

# END




^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2014-02-16 22:02 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-02-15 20:13 Help me please! Juan David Alejandro Cadena Cedano
2014-02-16  3:53 ` Gregg Levine
2014-02-16 22:00   ` Vladimir 'φ-coder/phcoder' Serbinenko
2014-02-16 21:50 ` Aleš Nesrsta
2014-02-16 22:01 ` Vladimir 'φ-coder/phcoder' Serbinenko
  -- strict thread matches above, loose matches on Subject: below --
2003-08-26 22:52 HELP ME PLEASE!!!!!!!!! George Vieira
2003-08-26 20:14 Daniel Arjona
2003-08-26 23:11 ` Arnt Karlsen

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