This code snippet gets the default keystore used by the Java keytool and displays the list of aliases along with the key type (certificate or private key). import java.io.File; import java.io.FileInputSt... The default keystore used by the above code is: $HOME/.keystore .

Here's a list of common TCP ports. You can find a more complete list here: http://www.gasmi.net/docs/tcp.html . Port Number Service Description 21 FTP File Transfer Protocol 22 SSH Secure Shell 23 Telnet Telnet remote login 25 SMTP Simple Mail Transfer Protocol 70 gopher Gopher 79 finger Finger 80 HTTP Hyper Text Transfer Protocol (WWW) 88 Kerberos Kerberos authentication 94 tivoli Tivoli Object Dispatcher 110 pop3 Post Office Protocol Version 3 123 ntp Network Time Protocol 137 netbios NetBIOS Name Service 138 netbios NetBIOS Datagram 139 netbios NetBIOS Session 143 imap Internet Message Access Protocol 161 snmp Simple Network Management Protocol 162 snmptrap SNMP trap 194 irc Internet Relay Chat Protocol 389 ldap Lightweight Directory Access Protocol 443 https Secure HTTP 445 SMB MS Server Message...

This is a sample struts-config.xml file for Struts 1.x . <?xml version="1.0" encoding="UTF-8"?> <!DO...

There's no difference between a Java HTTP client and a Java HTTPS client. Ignore JavaWorld Java Tip 96 , it's way too old. The following code gets an HTTP page as well as an HTTPS page. import java.io.*; import java.net.*; pub... There's one catch . If you are using the code on a test server with a self-signed certificate, it fails. In that case, I would suggest that you download the certificate from the server and import it to your keystore as a trusted key. You may also need to add a subject alternative name to the certificate if the host name does not match the certificate. You may also choose to use a custom TrustManager and HostnameVerifier to ignore the certificate verification errors.

Create an openssl configuration file which enables subject alternative names ( openssl.cnf ): [req] distinguished_name = req_distinguished_... Create a certificate request using above configuration file: C:\work>openssl req -new -key testServer.key -out ... Verify the request was created successfully: C:\work>openssl req -text -noout -in testServer.cs... (Optional) self-sign the certificate request: C:\work>openssl x509 -req -days 3650 -in testServe...

The .pfx is a PKCS #12 file. Follow these steps to create one that can be imported to IIS: Create the key and cert files as usual . Concatenate the key and cert: cat testServer.key testServer.crt >iisimport.pem Create the PKCS 12 file with openssl: openssl pkcs12 -export -in iisimport.pem -out iisi...

Java's built-in classes are way too complex/flexible for a simple protocol like HTTP. This is a wrapper to simplify HTTP GET and POST. import java.io.*; import java.net.*; imp... A simple test: import java.io.*; import java.util.*; ...

1. Install windows resource kit . 2. Install srvany as a service: C:\tools\putty>instsrv ssh_tunnel "C:\Program File... 3. Edit the following registry template to suite your environment: Windows Registry Editor Version 5.00 [H... 4. Import the registry entry. 5. Start the service with "net start ssh_tunnel" or from the services applet. You may choose to use a batch file for srvany (instead of plink.exe ), but you won't be able to shut down the tunnel when you stop the service. Also, if the Windows SYSTEM user cannot see the host key for SSH connection, the tunnel cannot be established.

Select from information_schema : mysql> select cc.character_set_name -> from... Other columns available from the information_schema tables: mysql> desc tables; +-----------------+--------... Note that show create table <table_name> also works.

Select from information_schema.tables : mysql> select table_collation from information_sch... Or, show create table mysql.host; CREATE TABLE `host` ( `Host` char(60) collate...