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Adobe 38043740 Lockdown Guide - Page 61

Missing Template, Handler, Site-wide Error, Maximum number, of POST request, parameters

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Setting Missing Template Handler Default Recommendation Description Blank or /CFIDE/administra tor/templates/miss ing_template_erro r.cfm Specified The missing template handler HTML should be equivalent to the 404 error handler specified on your web server. The default missing template handler allows a potential attacker to get a rough idea of the ColdFusion version in use. Site-wide Error Handler Blank or /CFIDE/administra tor/templates/secu re_profile_error.cf m Specified The default site-wide error handler may expose information about the cause of exceptions. Specify a custom siite-wide error handler that discloses the same generic message to the user for all exceptions. Be sure to log the actual exception. Maximum number 100 of POST request parameters 100 or lower Set this to the maximum number of form fields you have on any given page. Allowing too many form fields may allow for a DOS attack known as HashDOS. 61

Section	Page
Adobe® ColdFusion® 10 Server Lockdown Guide	1
Section 1: Introduction	1
1.1 Default File Paths and Usernames	1
1.2 Operating Systems and Web Servers	1
1.3 ColdFusion Version	2
1.4 Scope of Document	2
Section 2: Installation Prerequisites	3
2.1 Prerequisites for all ColdFusion installations	3
2.2 Prerequisites for a Windows 2008 Server Installation	3
Table 2.2.3.1 Web Root Content Security Permissions	9
2.2.7 Anonymous Access Identity	17
2.2.8 Setup Request Filtering	17
Table 2.2.8.1 : CFIDE URIs	22
Additional URI Sequences to consider blocking:	22
2.2.9 Create a Website For ColdFusion Administrator	23
Remove Request Filtering Rule for ColdFusion Administrator Site	25
2.3 Prerequisites for a RedHat Enterprise Linux 6.3 Installation	27
Section 3 - Installing ColdFusion	32
3.1 Run ColdFusion Installer	32
4.1 Windows 2008 Post ColdFusion Installation	41
4.1.1 Install ColdFusion Hotfixes	41
4.1.10 Optionally Remove ASP.NET	48
4.2 Red Hat Enterprise Linux Post Installation	49
4.2.1 Install ColdFusion Hotfixes / Updates	49
4.2.3: Specify permissions for ColdFusion Directories	50
4.2.4: Install Apache Connector	50
4.2.7 Setup Auditing	53
4.2.8 Add umask to startup script	54
4.3 Post Configuration Settings for Windows and Linux	54
4.3.4 Tomcat Shutdown Port	55
4.3.5 Add a connector shared secret	56
4.3.6 Additional Tomcat Security Considerations	56
4.3.7 Additional File Security Considerations	56
5.1 Server Settings > Settings	57
5.2 Server Settings > Request Tuning	63
5.3 Server Settings > Client Variables	65
5.4 Server Settings > Memory Variables	65
5.5 Server Settings > Mail	67
5.6 Data & Services > Data Sources	67
5.7 Data & Services > Flex Integration	68
5.8 Debugging & Logging > Debug Output Settings	69
5.9 Debugging & Logging > Debugger Settings	69
5.10 Debugging & Logging > Logging Settings	70
5.11 Event Gateways > Settings	71
5.12 Security > Administrator	71
5.13 Security > RDS	72
5.14 Security > Sandbox Security	72
5.15 Security > Allowed IP Addresses	73
6.1 Servlets and Servlet Mappings in web.xml	75
6.2 Disabling RDS if Already Installed	76
6.3 Disabling support for JWS files	76
6.4 Disabling the GraphServlet	77
6.5 Disabling Flash Remoting Servlet Mappings	77
6.6 Disabling Flash Form Servlet Mappings	78
6.7 Disabling the CFReport Servlet Mapping	78
6.8 Remove WSRP Servlet Mapping	79
6.9 Disabling the CFFileServlet Mapping	79
6.10 Disabling Remote CFC Invocation	80
6.11 Adding ClickJacking Protection	82
6.12 Security Constraints in web.xml	82
Section 7: Patch Management Procedures	83
Meaning	85