http://dryice.name/blog Tue, 31 Aug 2010 12:01:11 +0000 http://backend.userland.com/rss092 en Last week I was asked to help a friend to check out his server that has been hacked. First I was thinking some kind of PHP leak or SQL injection. But I was wrong. The crack uses some kind of SSH user/password scanner and got his root password. I find this ... http://dryice.name/blog/freebsd/never-think-your-password-is-complicated-enough/ Well the ultimate way to tweak a program (besides modify the source) is to edit the configure file. This is what we are gonna talk about in this part. There are two kind of config file for OpenSSH: for the server side and for the client side. - For the server side The server side configure ... http://dryice.name/blog/freebsd/an-introduction-to-openssh-part-5/ It is ideal if we can live in a Unix only world. However sometimes we'll need MS windows. In this part we'll talk about using OpenSSH, or SSH in general, on MS Windows platform. On the OpenSSH Alternatives for Windows page, there is a list of available free/open source software. ... http://dryice.name/blog/freebsd/835/ (originally posted at www.linuxboxadmin.com ) Last time when we talked about transfering files over OpenSSH, I said you can use port forwarding if you insist to use your favorite FTP client, and we have a brief HOW-TO there. This time, we'll take a deeper look at port forwarding. How port forwarding works.Normally ... http://dryice.name/blog/freebsd/an-introduction-to-openssh-part-3/ (originally posted at www.linuxboxadmin.com ) This time we'll talk about transferring files using OpenSSH. The most common ways to transfer files between Unix hosts are: rcp, ftp, and rsync. rcp and its SSH version: scpThe command rcp works like cp, but it can copy files to and from remote files. For example, if you want ... http://dryice.name/blog/freebsd/an-introduction-to-openssh-part-2/ (originally posted at www.linuxboxadmin.com ) Well, someone want me to write something about OpenSSH, so here it is. Why SSH?A lot of Internet protocols are based on telnet, FTP, POP3, SMTP, etc. That is, these protocols works like two man talking: "Hello, this is John." "Hi, John, please provide your password." "My password is 'secret'." "OK, you ... http://dryice.name/blog/freebsd/an-introduction-to-openssh/ The first thought that I need a USB key is that I'll need to maintain my servers in case of emergency, not in front of my desktop. As my servers are running FreeBSD, the most important thing I'll need is a SSH client. Among the open source clients, sshwindows and putty ... http://dryice.name/blog/usb_key/ssh-client/