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Tag Archives: openssl

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  2. Entries tagged with "openssl"

John the Ripper Password Cracker

JTR – John The Ripper Compile Error – sha.h:4:25: fatal error: openssl/sha.h: No such file or directory

InsightsBy alexSeptember 2, 2013Leave a comment

Earlier while compiling JTR or John The Ripper password cracker on a new Ubuntu 12.04 LTS server I received a compile error. The error compiling JTR, which is noted in more detail below, pointed to the sha.h file not being found which likely means there is a missing package though I have seen other causes…

Information Security

SSLScan Install Error: ld: symbol(s) not found for architecture x86_64, Install SSLScan On OSX Lion

SecurityBy alexSeptember 2, 2011Leave a comment

Installing SSLScan on OSX is documented numerous other places as well but you may not find the answer immediately when searching via the error output during an attempted install. Below is the output from attempting to install SSLScan on OSX without using the ports version of OpenSSL. Follow the directions below to get SSLScan working…

Technology Insights

Error: openssl/md5.h: No such file or directory

InsightsBy purehateMarch 21, 20111 Comment

I was building a tool called Sipcrack today from source and ran into some problems. The platform I was using was ubuntu 10.04 LTS but if you are getting this error on any Ubuntu platform the solution is most likely going to be the same.

Information Security

Check Linux Server For Rootkits, Check If CentOS Linux Server Is Compromised

SecurityBy alexSeptember 8, 2010Leave a comment

Yesterday I wrote an article about securing your /tmp and /var/tmp directories on a Linux server because I had found some files uploaded to the /tmp directory via the apache user. After locking down those directories I wanted to verify that there were no other issues on the server so I installed Rootkit Hunter and…

Technology Insights

VSFTPD Error: GnuTLS error -9: A TLS packet with unexpected length was received.

InsightsBy alexFebruary 4, 20105 Comments

I was tasked with configuring VSFTPD to allow SFTP or FTPES (FTP over explicit TLS/SSL) tonight for a client. The configuration already had regular FTP working which I verified using FileZilla as an FTP client. I was able to login and transfer files in both directions to and from the server. Next I verified that…

Technology Insights

Use OpenSSL to Verify the Contents of a CSR Before Submitting For a SSL Certificate

InsightsBy alexSeptember 22, 20094 Comments

When purchasing SSL certificates for your website online you will be required to generate a SSL CSR, or Certificate Signing Request, to obtain a SSL CRT, or Certificate. In the process of generating your CSR you will be required to provide numerous pieces of information including Country, State, City, Company, Department, server common name, contact email…

Technology Insights

Generate a SSL Key Without a Password Followed by a CSR For Litespeed Web Server

InsightsBy alexJuly 7, 2009Leave a comment

Litespeed was server is a nice light weight server that you can obtain the standard version of for free. To install a SSL certificate you will first need to generate a SSL key followed by a CSR to provide to the certificate authority. Follow the directions below to generate a key on Litespeed followed by…

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