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Why does InetAddress.isReachable return false, when I can ping the IP address?
...hine (which we have most of the time).
private static boolean isReachable(String addr, int openPort, int timeOutMillis) {
// Any Open port on other machine
// openPort = 22 - ssh, 80 or 443 - webserver, 25 - mailserver etc.
try {
try (Socket soc = new Socket()) {
so...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...d Close throws an exception:
var connection = new SqlConnection(connectionString);
connection.Open();
// some code
connection.Close();
The correct way would be this:
var connection = new SqlConnection(ConnectionString);
try
{
connection.Open();
someCall (connection);
}
...
grant remote access of MySQL database from any IP address
I am aware of this command:
21 Answers
21
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ping response “Request timed out.” vs “Destination Host unreachable”
...n I ping an IP address, what is the difference between Request timed out and Destination host unreachable returned from the command?
...
https URL with token parameter : how secure is it?
...ople having access to all the tokens.
Additionally the URL with the query string would be saved in your user's history, allowing other users of the same machine to access the URL.
Finally and what makes this very insecure is, the URL is sent in the Referer header of all requests for any resource,...
Find the IP address of the client in an SSH session
...
@cwd i want to replace the ip in this command "iptables -A INPUT -s 93.203.118.251 -p tcp --destination-port 443 -j DROP" is that possible?
– wutzebaer
Aug 5 '15 at 13:00
...
Bash Templating: How to build configuration files from templates with Bash?
...$ENV{$1} ? $ENV{$1} : $&/eg' < template.txt
to replace all ${...} strings with corresponding enviroment variables (do not forget to export them before running this script).
For pure bash this should work (assuming that variables do not contain ${...} strings):
#!/bin/bash
while read -r li...
How do I grab an INI value within a shell script?
...\{} ) # convert text2function (2)
ini=( ${ini[*]/%\} \)/\}} ) # remove extra parenthesis
ini[0]="" # remove first element
ini[${#ini[*]} + 1]='}' # add the last brace
eval "$(echo "${ini[*]}")" # eval the result
}
cfg_writer ()
{
IFS=' '$'\n'
fun="$(declare -F)"
fun="...
Understanding Apache's access log
...ny is present, and "-" otherwise.
User-agent is the browser identification string.
The complete(?) list of formatters can be found here. The same section of the documentation also lists other common log formats; readers whose logs don't look quite like this one may find the pattern their Apache co...
How can I detect if the user is on localhost in PHP?
...
@Pekka웃 you can just send e.g. Host: 127.0.0.1 and it would be populated in HTTP_HOST, so it's not reliable method at all.
– Dejan Marjanović
Mar 19 '13 at 15:49
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