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by Cem Cahit
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Published on 2010-03-25T14:29:38Z
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2010/03/25
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Could i inject packets to Linux TCP stack without modifying the ethernet driver? Could i do this with using a library or sth ?
Thank you,
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Hey,
Recently I had a web developer come to me and ask why he was receiving connection errors in his app that was accessing a sql database.
So, I went through my normal trouble shooting steps to isolate or reproduce the issue. I discovered that if I connected to the database using Query Analyzer…
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i don't know how to open a specific port (rtmp=1935) on my CentOS server using Plesk or itables.
I created new rules for port 1935 i/o using Plesk/Modules/Firewall but this doesn't work. Nmap scanning tells me this :
1935/tcp filtered rtmp
.
So i decided to have look at my iptable using SSH (iptables…
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On one of my servers when I type netstat -n I get a huge output, something like 400 entries for httpd. The bandwidth on the server isn't high, so I'm confused as to what's causing it. I'm suspecting an attack, but not sure.
Intermittently, the web server will stop responding. When this happens…
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(Why can/How are) blocked IPs (get/getting) through my iptables?
Hello and thanks for your consideration...
I have configured iptables and included (below) output from the command "iptables --line-numbers -n -L" yet IP addresses (like 31.41.219.180) from IP blocks I have already blocked are getting…
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I'm trying to adjust my iptables firewall to increase the security of my server, and I found something a bit problematic here : I have to set INPUT policy to ACCEPT and, in addition, to have a rule saying iptables -I INPUT -i eth0 -j ACCEPT.
Here comes my script (launched manually for tests) :
#…
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I overused hashSets but it was slow, then changed to Stacks, speed boost-up. Poly's reply uses Collections.emptyList() as immutable list, cutting out excess null-checkers. No Collections.emptyStack(). Combining the words stack and immutability, from the last experiences, gets "immutable stack" (probably…
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My iTunes 9.0.2 hangs on launch in OS X 10.6.2. This doesn't happen all the time, only if I've been running for a while. Then it will recur until I restart. Similarly Safari 4.0.4 will hang in the flash player plugin when about to play a video. If I restart both these problems go away until later…
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I need to write a function par :: String -> Bool to verify if a given string with parentheses is matching using stack module.
Ex:
par "(((()[()])))" = True
par "((]())" = False
Here's my stack module implementation:
module Stack (Stack,
push, pop, top,
empty, isEmpty)
…
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Hey All,
I'm trying to get a TDM400P card with FXO module to connect to our PSTN line. The card is correctly detected by Linux:
[trixbox1.localdomain asterisk]# lspci
00:09.0 Communication controller:
Tiger Jet Network Inc. Tiger3XX
Modem/ISDN interface
I've run setup-pstn which…
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In pthread, After reaching yellow zone in stack, signal handler stop the recursive function by making it return
however, we can only continue to use extra area in yellow zone,
how to clear the rubbish before the yellow zone in the thread stack ?
(Copied from "answers"):
#include <pthread…
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