Apache Tomcat Is A Web Server
Apache Tomcat software powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations Tomcat is an application server designed to execute Java servlets and render web pages that use Java Server page coding. Tomcat acts as a “webserver” or “servlet container,”. Apache Tomcat (called 'Tomcat' for short) is an open-source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and WebSocket technologies. Tomcat provides a 'pure Java' HTTP web server environment in which Java code can run. Apache Tomcat software powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations Tomcat is an application server designed to execute Java servlets and render web pages that use Java Server page coding. Tomcat acts as a “webserver” or “servlet container,”. Internet apps for mac.
- Tomcat is normally defined as a reference implementation of the Java Servlet and the Java Server Page (JSP) Specifications. It basically executes Java servlets and renders web pages which include JSP coding. It is available on the Apache site in both source and binary versions.
- Tomcat is normally defined as a reference implementation of the Java Servlet and the Java Server Page (JSP) Specifications. It basically executes Java servlets and renders web pages which include JSP coding. It is available on the Apache site in both source and binary versions.
Web sites are hosted on web servers. Similarly, WAP sites are hosted on WAP servers. A WAP server stores the files that make up a WAP site and handles requests from users. In the following sections, you can learn what a WAP server is and how to set up a WAP server to publish WAP 1.x (latest version: WAP 1.2.1) and WAP 2.0 content to users of wireless devices.
A WAP server is just a standard web server that hosts a WAP site's contents like WML and XHTML MP documents.
Some companies have a 'WAP server' product that is actually a web server plus a WAP gateway. This confuses the term. So, when you talk about WAP servers, make sure you and the one listening to you are not referring to different things.
(Note that content providers do not need to care about the WAP gateway part typically since mobile network operators provide a WAP gateway to their service subscribers. However, if you are creating a secure WAP application like mobile banking, then you need to consider whether to use you own WAP gateway.)Two popular web servers are Apache and IIS.
Tomcat is a Java Servlet / JSP container that can also be used as a standalone web server.
Apache, IIS and Tomcat are the most commonly used software for hosting WAP / web sites.
1.2. Apache - Open-source, Free WAP / Web Server
Apache is a very professional open-source WAP / web server. It can be downloaded free of charge at the website http://httpd.apache.org/.
Apache is available on many platforms including Microsoft Windows and Linux / UNIX.
PHP is very often used with Apache for server-side scripting.
1.3. Tomcat - Open-source, Free Java Servlet / JSP Container and Web / WAP Server
Like Apache, Tomcat is open-source. It can be downloaded free of charge at the website http://jakarta.apache.org/tomcat/.
Tomcat is mainly used to host dynamic WAP / web applications developed with the Java Servlet or JSP (Java Server Pages) server-side technologies.
Tomcat can also be used to host static documents.
It is available on many different platforms like Microsoft Windows and Linux / UNIX.
1.4. Microsoft IIS - Built-in Web / WAP Server of Windows
IIS (Internet Information Services) is a web server developed by Microsoft.
IIS is only available on the MS Windows platform. It is bundled with some versions of MS Windows like Windows 2000, Windows XP Professional and Windows Server 2003.
IIS is commonly used to host ASP applications.
ASP (Active Server Pages) is a server-side technology developed by Microsoft for creating dynamic WAP / web sites.
Apache Tomcat Web Server Configuration File
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Overview
In Web NMS, two packages Apache and Tomcat were used to run the server functionality. Apache as web server and Tomcat as servlet engine. As Apache was increasingly prone to security attacks, it was decided to remove Apache which served as web server. Tomcat version 5.5.20, which is bundled with Web NMS, was selected to play the dual role as web server and servlet engine. And therefore, Apache package is removed from Web NMS.
Reasons for Removing the Apache Package
Apache is becoming a serious security concern.
Feature-wise, Tomcat has all the features in Apache (Refer the detailed table below for the comparison chart).
More applications, like one for web server (Apache) and one for servlet engine (Tomcat) increases the vulnerability of Web NMS. Less applications, lesser vulnerabilities, makes Web NMS more secure.
There is reduction in size of Web NMS product (~ 13 MB). Download of Web NMS becomes faster and installation becomes easier.
In future, the overhead of Apache migration is avoided.
Apache Tomcat Is A Web Server Named
List of Security Issues in Apache Server
When web root of Apache is configured as the working directory of the product, then database and conf directories are vulnerable to hacks.
Apache allows directory browsing in the web applications.
We have to keep the web server features, which we are not using, turned off.
Advantages of Tomcat Server
Tomcat can be used as web server in addition to servlet engine.
Tomcat also supports SSL, much similar to the way in which SSL is implemented in Web NMS. So there is no extra concern to customers using SSL.
Tomcat is also a Java application, hence running as Web NMS web server in SSL mode is much simpler.
Tomcat also has the re-direction to SSL when enabled.
Comparing the Features of Apache and Tomcat Servers with Respect to Web NMS
Feature | Apache | Tomcat |
Act as a web server rendering static pages | Yes | |
Securing by SSL | Yes | Yes |
Running server in a virtual IP or in a particular IP in dual NIC environment | Yes | Yes |
Access control over directories and files in server root (whether to be accessible through HTTP) | Yes | Yes |
Executing servlets | No | Yes |
Executing other dynamic pages (.jsp, .js, etc.,) | No | Yes |
Library dependency at runtime | Yes | No |
Compare the performance of Web NMS with and without Apache server
Web NMS has fewer simultaneous users which can be handled by Tomcat. Apache is required only if Web NMS has too many simultaneous users (in 1000s).
As of now, Tomcat does not have any library dependency. Hence, the WebNMS server start up is free from library incompatibility issues.
When Apache was used, it redirected certain type of requests to Tomcat and handled rest of the requests by itself. The sims 3 downloads for mac. With Tomcat alone, all requests are directly handled by Tomcat.
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