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9%
Exploring Nmap's scripting engine
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
.have_ssl() then 11 return false 12 end 13 return true 14 end The portrule in Listing 2 creates the variables svc.std and svc.ssl as associative arrays (lines 2 and 3) and then checks to see
9%
Linux nftables packet filter
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © alphaspirit, 123RF.com
Furthermore, new SSH connections (ct state new) to port 22 will be allowed (tcp dport 22). Packets that belong to existing SSH connections are also allowed (ct state established,related) and are detected
9%
Protecting Samba file servers in heterogeneous environments
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by rawpixel on Unsplash
[::]:* LISTEN As you can see, only port 22 for SSH is open for incoming connections for both IPv4 and IPv6. If you are not (yet) using IPv6 on your network, you should disable it, because what good
9%
Build and host Docker images
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Sebastian Duda, 123RF.com
. The following example assumes a system with Ubuntu 22.04. To begin, you need to install some required software management packages (Listing 1, line 1); download the GPG key used to sign Docker's package lists
9%
Stopping Side Channel Attacks
16.10.2012
Home »  Articles  » 
 
as shown in the following listing. Apache/2.2.16 (Debian) DAV/2 SVN/1.6.12 mod_fcgid/2.3.6 Phusion_Passenger/3.0.11 mod_ssl/2.2.16 OpenSSL/0.9.8o Server at www.domain.tld Port 80 Treacherous Error Messages
9%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
(unew(i,j)-u(i,j)) ) 141 ENDDO 142 ENDDO 143 144 IF(MOD(iter,10)==0) WRITE(*,"('iter,diff:',i6,e12.4)") iter,diff 145 146 ! Update solution 147 DO j=2,m-1 148 DO i=2,m-1 149 u(i,j) = unew
9%
Confessions of a Patchaholic
17.10.2011
Home »  Articles  » 
 
available software program is listed here but these three are worth further exploration. I personally have experience with all three of these systems and have used them over the past 12 years in large complex
9%
Intruder Detection with tcpdump
28.11.2011
Home »  Articles  » 
 
shown in Figure 4. Figure 4: Header bytes 12-15. Looking at byte 13, if SYN and ACK are set, then your binary value would be 00010010 , which
9%
HPC Storage strace Snippet
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
= 0.821484044894 Peak Total IOPS = 2,099    time: 66 (secs) Average Total IOPS = 12.9056505683
9%
Exploring the Linux Tuning Guide for AMD Opteron 6200 Series Processors
16.07.2012
Home »  HPC  »  Articles  » 
cache.” Other resources, such as a floating-point unit, are shared between the two cores within the same module. The AMD Opteron 6200 Series processors come in 4-, 8-, 12-, and 16-core models. The 16

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