The previous article
http://www.cnblogs.com/piperck/p/6188984.html using SSH config profile to manage SSH connections
The previous article described how to configure your own SSH config to easily manage your SSH connection, and how to use Ssh-add to store your own key password. Next, we will discuss the use of SSH to do forwarding and springboard of the relevant practice.First, let's start with a situation like this:Our external firewall blocks some common ports, and now only 22 80
the company's intranet computers.
Deeper project:
After the company's system network administrator finds this line of employee, it is necessary to write a "filter" to enhance the proxy function to prevent the establishment of such tunnel.
Idea: Write this "filter" and place it between work and proxy, that is to say, work HTTP request a: First receive our "filter" check, if there is no problem, then send it to proxy, b: The response to the proxy is
Sometimes back to SSH tunnel, the manual use of SSH to create these is not too big a problem, but if you try to boot, write a shell script and run the script in Rc.local is not successful, the reason is not known.Later discovered autossh this thing, not only can create SSH tunnel silent mode can also set automatic detection, and automatically try to link the options.The script that is provided in the attach
Now connected to an IDC MySQL server, due to network isolation, the need to ssh to a springboard to direct access to MySQL, and I want to use mysqlworkbench such as local clients directly connected to MySQL. The solution is to set up an SSH tunnel with the SSH command, and then Mysqlworkbench connect to the corresponding remote MySQL only by connecting to a local port.
Suppose the springboard is: 192.168.1.1 (it can be connected to MySQL)MySQL IP is:
in 6to4,auto-tunnel and ISATAP, the tunnel does not have a destination address, and the destination address is determined based on the destination IPv6 address in the package.
so these tunnels are triggered together, so most routing protocols other than BGP are not supported, because they establish neighbors based on the link-local address of the peer, which does not satisfy the condition of establishing a
HTTP tunnel principle and firewall penetration method-1
TunnelMany articles are interpreted as "Tunnel" and "channel ".
Tunnel is a communication method that bypasses the firewall port shielding, which can effectively shield the firewall from the port.
Principle:Packets at both ends of the firewall are encapsulated on the data packet type or port allowed by the f
The IPv6 tunnel is a IPV6 message encapsulated in the IPV4 message, allowing IPV6 packets to communicate through the IPV4 network. For equipment adopting tunnel technology, the source and destination address of the IPV6 datagram is encapsulated into the IPV4,IPV4 message at the entrance of the tunnel, respectively, the IPV4 address of the
A. Test topology:
Two. Test ideas:
A. Headquarters ASA does not configure the tunnel separation, branch office all traffic to go VPN
B. Headquarters ASA configuration NAT Allow Branch segment pat on public net
----Because the branch traffic will bounce traffic from the outside interface, you need to configure Same-security-traffic permit Intra-interface
Three. Basic configuration:
A.inside Router:
Interface ethernet0/0
IP address 10.1.1.2 25
Tags: cat dem protocol PPP span plugin send add IPSec1. Open Network Preferences2. Click +3. Enter the address and account number of the VPN4. Advanced--Tick send all traffic via VPN link5. Add DNS6. Because the corporate VPN is using the L2TP protocol and is not shared, MacOS needs some configuration to support it, otherwise it will prompt for the loss of the IPSEC shared key. Please verify your settings and try reconnecting. LONGQUANDEMACBOOK-AIR:PPP longquan$ pwd/etc/pppLONGQUANDEMACBOOK-AIR:
Tunnel Warfare
Time Limit: 1000MS
Memory Limit: 131072K
Total Submissions: 7499
Accepted: 3096
DescriptionDuring the War of Resistance against Japan, tunnel warfare was carried off extensively in the vast areas of the North China Pl Ain. Generally speaking, villages connected by tunnels lay in a line. Except the ends, every village was directly
First, the topic descriptionDuring the War of Resistance against Japan, tunnel warfare was carried off extensively in the vast areas of the North China Pl Ain. Generally speaking, villages connected by tunnels lay in a line. Except the ends, every village was directly connected with the neighboring ones.Frequently the invaders launched attack on some of the villages and destroyed the parts of tunnels in them. The eighth Route Army commanders requested
Tunnel WarfareTime limit:1 Sec Memory limit:256 MBTopic Connection http://acm.hdu.edu.cn/showproblem.php?pid=1540Descriptionduring the War of Resistance against Japan, tunnel warfare was carried off extensively in the vast areas of nor Th China Plain. Generally speaking, villages connected by tunnels lay in a line. Except the ends, every village was directly connected with the neighboring ones.Frequently th
Tunnel warfare
Time Limit: 4000/2000 MS (Java/others) memory limit: 65536/32768 K (Java/Others)Total submission (s): 2396 accepted submission (s): 886 Problem descriptionduring the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of North China Plain. generally speaking, ages connected by tunnels lay in a line. cannot the two at the ends, every village was direc
Tunnel WarfareTime limit:4000/2000 MS (java/others) Memory limit:65536/32768 K (java/others)Link: Hdu 1540 POJ 2892 Problem Description During The War of Resistance against Japan, tunnel warfare was carried off extensively in the vast is As of North China Plain. Generally speaking, villages connected by tunnels lay in a line. Except the ends, every village was directly connected with the neighboring ones.F
During the software development testing process, we often meet the need for site deployment testing or to demonstrate such requirements to customers. The usual practice is to apply for a domain name and space, put the site on the outside to show customers.
This method is really feasible, but there will be two points, the first is to increase the expenditure, the second is the problem needs now their own computer to change the bug re-upload to the outside network.
So the question comes, is th
There are two of Ali's services, one A has assigned an extranet IP, and the other B does not, how to let B with a to achieve the Internet?Handled as followsOn Server AIP tunnel Add i2o mode IPIP remote B local A---here A, B are intranet addressesIfconfig i2o 192.168.2.1 netmask 255.255.255.0On the B serverIP tunnel Add i2o mode Ipip remote a local B---here both A and B are intranet addressesIfconfig i2o 192
Poj2892 Tunnel Warface
Tunnel Warfare
Time Limit:1000 MS
Memory Limit:131072 K
Total Submissions:7434
Accepted:3070
Description
During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. generally speaking, ages connected by tunnels lay in a line. cannot the
I haven't finished the xinsong line for a long time. Because there are few vehicles, today I met a xinsong line heading for Songjiang in the West Ring Road, as a result, I did not expect to be stuck in the xinsong Road Tunnel for more than an hour. Later, I asked the conductor to know that it was like this every day.
Along the way from xinzhuang Metro to Xinqiao town in Songjiang, with the development of economy, many commercial houses have been deve
Use ipconfig to view many useless tunnel adapters. How to delete it?
In Windows 7, the system automatically generates multiple tunnel connections. These tunnel connections are used to achieve mutual access between IPv4 and IPv6 (the IPv6 tunnel encapsulates IPv6 packets in IPv4 packets, allow IPv6 data packets to comm
During the War of Resistance against Japan, tunnel warfare was carried off extensively in the vast areas of the North China Pl Ain. Generally speaking, villages connected by tunnels lay in a line. Except the ends, every village was directly connected with the neighboring ones.Frequently the invaders launched attack on some of the villages and destroyed the parts of tunnels in them. The eighth Route Army commanders requested the latest connection state
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