Sorry but this is not going to work as you have stated here. Once you have given the first line there is no reason to execute the second as it will only reload the saved rules and thus remove the rule you just added. The command to save the running rules is:
You need to save the running rules first so that you will have them when you reboot.
I've got a legit DHCP server on my network. I've got a 3550 as my VTP server providing 4 vlans to 4 2950 switches. If somebody were to plug into one of those vlans with a DHCP server configured then it would throw off my whole network. How could i block the DHCP server that could plug into the... (2 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)
:) 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 Folks
I have been debugging a script that is called every thirty seconds. Basically it is doing a ps, well two actually, one to file (read by the getline below) and the other into a pipe. The one into the pipe is: -
V_SYSVPS=/usr/sysv/bin/ps
$V_SYSVPS -p$PIDLIST -o$PSARGS... (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)
OS : solaris 10 X86
I created stream socket, tries to connect to port 7 on the remote machine.
After doing the non blocking connect call I did select with time out value is 3 secs. I am always getting timed out though I am writing prior to select.
code:
x=fcntl(S,F_GETFL,0);... (1 Reply)
I know how to add signal to a set. But what if I want to add 2 or 3 signals to the set.
I know I can use sigaddset (&set,SIGBUS)....but what if I want to add SIGBUS and SIGALRM at once. Do i have to do it like this..
sigaddset (&set,SIGBUS);
sigaddset (&set,SIGALRM);
Is there another way to... (0 Replies)
Hi
I am starting to practice nmap for my own education.
Now I created two host in virtual box.
Bot are scientific linux, one in installed as web server and the other as developing station.
I tried to run nmap on so I did nmap on their IP address, I got an answer that ip is down or that... (8 Replies)
among the below socket programming api's, please let me know which are blocking and non-blocking.
socket
accept
bind
listen
write
read
close (2 Replies)