hi need help here, a bit of code im doing requires a number to be enetered i have got validation and loop if its outside a ceratain range, but was wondering what code i need to validate if a character has been entered. cheers (3 Replies)
say I have a IP address which is 10.0.0.12, and subnet mask is 255.255.255.240, what is the network address and what is the broadcast address which host lives on?
And could you explain how to get the answer?
thanx in advance! (7 Replies)
Hi sir,
i want to make such programe which takes MAC(Ethernet) address of any host & give me its IP address.......
but i'm nt getting that how i can pass the MAC address to Frame........
Please give me an idea for making such program...
Thanks & regards
Krishna (3 Replies)
I know there is a function inet_tpon for unix platforms to validate ipv6 addresses.But i need an equivalent of windows.When i use this function with the header file <winsock2.h> the visual studio 2005 on win2003 issues an error saying identifier not found
:confused: (3 Replies)
Trying to do a ksh script that needs to list all ip address between ip address a and b ..
ie.
Ip address A=192.168.1.200
Ip address B=192.168.2.15
So the subnet changes from 1 to 2 but I want to list all possible ip addresses between the 2..
Which would be:
192.168.1.200... (4 Replies)
:) Firstly Hi all!!, im NEW!! and on here hoping that someone might be able to offer me some help... i have a server that keeps crashing every few days with the error message:
PANIC KERNAL-MODE ADDRESS FAULT ON USER ADDRESS 0X14
KERNAL PAGE FAULT FROM (CS:EIP)=(100:EF71B5BD)
EAX=EF822000... (10 Replies)
hi!
I need a script that, among other things, presents a menu to the user, checks the user input for an IP address (in quad dotted notation), and then "redirects" (with sed) that IP address to the Firewall script.
The script must check that all of the inputs are valid IP addresses (numeric,... (1 Reply)
Hi guys,
I got one problem which I definetily no idea.
What would the physical address be for virtual address?
1) 2ABC
2) 3F4B
Here is the page table:see attached
Thank you sos sososososso much!! (0 Replies)
Hi there
I lost connectivity to one of our remote systems and when I checked the messages log I found the following:
Aug 10 23:42:34 host xntpd: time reset (step) 1.681729 s
Aug 16 13:20:51 host ip: WARNING: node "mac address" is using our IP address x.x.x.x on aggr1
Aug 16 13:20:51 host... (9 Replies)
Hi ,
Could someone let me know how to detect duplicate ip address after assigning ip address to ethernet interface using c program (3 Replies)
Discussion started by: Gopi Krishna P
3 Replies
LEARN ABOUT REDHAT
escape
escape(1) Mail Avenger 0.8.3 escape(1)NAME
escape - escape shell special characters in a string
SYNOPSIS
escape string
DESCRIPTION
escape prepends a "" character to all shell special characters in string, making it safe to compose a shell command with the result.
EXAMPLES
The following is a contrived example showing how one can unintentionally end up executing the contents of a string:
$ var='; echo gotcha!'
$ eval echo hi $var
hi
gotcha!
$
Using escape, one can avoid executing the contents of $var:
$ eval echo hi `escape "$var"`
hi ; echo gotcha!
$
A less contrived example is passing arguments to Mail Avenger bodytest commands containing possibly unsafe environment variables. For
example, you might write a hypothetical reject_bcc script to reject mail not explicitly addressed to the recipient:
#!/bin/sh
formail -x to -x cc -x resent-to -x resent-cc
| fgrep "$1" > /dev/null
&& exit 0
echo "<$1>.. address does not accept blind carbon copies"
exit 100
To invoke this script, passing it the recipient address as an argument, you would need to put the following in your Mail Avenger rcpt
script:
bodytest reject_bcc `escape "$RECIPIENT"`
SEE ALSO avenger(1),
The Mail Avenger home page: <http://www.mailavenger.org/>.
BUGS
escape is designed for the Bourne shell, which is what Mail Avenger scripts use. escape might or might not work with other shells.
AUTHOR
David Mazieres
Mail Avenger 0.8.3 2012-04-05 escape(1)