cannot access ftp server from outside network

Category: Linux 2010-08-17 17:58 25443 people read Comments (0) Favorites Report Linux terminal user Oracle command FTP server Today, my colleague asked me a question, access FTP under Linux, and upload the file. I've been using the WinSCP tool before. First file from Linux Copy to Windows, and then upload to

Before the author wrote an "ftp local user " essay, that is only a case, and did not complete the function, configuration file parsing and principle, today I will publish "theprinciple of FTP Server and virtual User Configuration " essay The principle of FTP service

protocol listening ports#netstat-rn to view the route default route (Gateway)Netstat-an | grep established | Wc-l count the number of network connections being connected5 Ping IP Detection network unobstructed#ping-C 5-s 192.168.172.250-s packet sizeICMP protocol Test Network Connectivity Protocol6 traceroute IP or domain name probe/trace

long as the port number is not in conflict with other network applications. It should be noted that using the server port selected by the user can play a very good role in security defense, only users who know the port number can successfully connect to the server. Therefore, it is recommended that you use the selected port when setting the

Set up an FTP server using CentOS and set up ftp using centos1. Install vsftpdYum install vsftpd2. Edit iptablesVi/etc/sysconfig/iptables-A input-m state -- state NEW-m tcp-p tcp -- dport 21Service iptables restart3. Configure vsftpdVi/etc/vsftpd. confAnonymous_enable = NO // you are not allowed to access anonymous use

and imported, and then click OK, and when the wizard window asks us to set up FTP site access, we must select the Write item (as shown in Figure 3), and finally click the "Finish" button to end the setup of the FTP site. Figure 3When the FTP site is set up successfully, we might as well from another workstation in th

Edition cannot cancel the PASV method. PASV mode and firewall problems: If you have installed a firewall for the public network and Intranet truehost users, you need to open some ports on the firewall for use in PASV mode of FTP; otherwise, you cannot log on in PASV mode. In the local server-> Settings-> advanced-> PASV port range of Serv-U, enter the local po

firewall for use in PASV mode of FTP; otherwise, you cannot log on in PASV mode. In the local server-> Settings-> advanced-> PASV port range of Serv-U, enter the local port range used in PASV mode, for example, 60000-60020. If Windows 9x/me is used, set the port range to 5. If Windows NT/2000/XP/2003 is used, set the port range to 20. Then open the port range in the firewall.Users who use the Intranet Stan

directory. 3. Test the/var/ftp directory used to access the vsftpd server on the client. Enter "ftp: // Centos system IP Address" in the "Address" column of Windows resource manager. Press enter to display the content in the current/var/ftp directory. Iv. configuration of u

click Next Assign an IP address to the newly created domain, the IP that ADSL obtains often can change, so this item leave blank, let FTP can support this network dynamic IP addressName the FTP server, you can enter your own domain name, or you can do a different description.Select a port for the

Linux is the future of the operating system, most of the current domestic operating system, and even Android system is inseparable from the relationship between Linux. Among them, ftp as a means of sharing has been a long time, we today to see how to build a simple FTP server it. FTP is the abbreviation for File Trans

Yes, today the purpose of this article is to bring everyone to set up an FTP server on this machine, the establishment of such a server for remote resource sharing is really a choice! The following erection steps take the Windows XP system as an example. Today's domestic telecoms operators have adjusted their broadband tariffs to an easily acceptable level, and

: Use sniffer to restore the FTP site's user name and password to plain text Environment Description: In the company's network, the AB computers connect to the same subnet through switches. B is the employee's computer. An employee accesses the company's FTP server through him, use your username and password when loggi

In many network applications, FTP (File Transfer Protocol) has a very important position. A very important resource in the Internet is software resources, and most of the various software resources are placed in the FTP server. Like most Internet services, FTP is also a clie

after they connect. /etc/ftpusers: This folder contains users who cannot log on to the server via FTP, and sometimes write user accounts that need to be blocked to file/etc/ftpuser, which prevents some users from using the FTP service. /etc/ftpconversions: Used to configure the compression/decompression program. /etc/ftpgroups: Creates a user group in which m

I. PrefaceVsftp (Very Secure FTP) is a Secure, fast, and stable FTP server in Unix/Linux. There are three ways to implement Vsftpd: 1. Anonymous user mode: by default, the system only provides anonymous user access 2. Local User Mode: use the username in/etc/passwd as the authentication method. 3. Use a virtual user to

permissions. (R) read ----- download (w) Write ---- upload (x) execute ---- if FTP directory is not enabled Local_enble = Yes (the local account can log on) Write_enable = No (You are not authorized to delete or modify files after logging on to the local account) Function: You can use a local account to log on to the vsftpd server and have the permission to download and upload files. Note: The anonymo

) Sixth step: Set up an available IP address for this FTP site, select the actual address is OK, if you are unsure of the words can also choose " All Unassigned ", The system will use all valid IP addresses as the FTP server's address. At the same time the FTP server to open the port of the service is also se

Other computers on the network can copy, move, create, or delete files and directories by connecting to the FTP server. 10.3.1 install Serv-u and set up an FTP server After downloading the serv-u application, execute the ServU4004.exe and install it step-by-step as prompted