Apache

 Table of Contents

1. 
   Apachetop
   
   1. 
      On Mac
      
   2. 
      On FreeBSD
      
   3. 
      On Debian
      
2. 
   Managing .HTACCESS
   
3. 
   Removing .HTACCESS access
   
4. 
   Adding Apache Virtual Hosts
   
5. 
   Adding Apache Virtual Hosts for non-default ports
   
6. 
   Apache 24 won’t start after brew upgrade
   
7. 
   Server reached MaxClients settings
   
8. 
   HTTP Redirects are not working
   
9. 
   Unable to login to Drupal Admin
   
   1. 
      Problem:
      
   2. 
      Problem 2:
      
      1. 
         Attempt 1 – FAILED
         
      2. 
         Attempt 2 – TO BE TESTED
         
      3. 
         Attempt 3 – TO BE TESTED
         
      4. 
         Attempt 4 – PASSED ON DEV, TO BE TESTED ON PROD
         
10. 
    Unable to send POST variables
    
11. 
    Detecting and blocking unwanted web crawlers
    
12. 
    HTTPS everywhere breaks perl redirects
    
13. 
    PNG Images are not shown in PDF reports
    
14. 
    Emails won’t fire from root@puma-sky
    
15. 
    Using AuthType Digest
    
16. 
    Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe
    
17. 
    Virtual Hosts
    
18. 
    Virtual Hosts
    
19. 
    Server reached MaxClients settings
    
20. 
    HTTP Redirects are not working
    
21. 
    Unable to login to Drupal Admin
    
22. 
    Unable to send POST variables
    
23. 
    HTTPS everywhere not working for ROM Tickets
    
24. 
    PNG Images are not shown in PDF reports
    
25. 
    vhost {{ HOSTNAME }} goes to {{ HOSTNAME }}
    
26. 
    where is Apache Server httpd.conf located?
    
27. 
    Breaking out of an iframe with a redirection
    
28. 
    A battle against malware
    
29. 
    Insite cannot be reached via VPN
    
30. 
    School Visits on romlx16 redirects to romlx122 on internal network only
    
31. 
    Using AuthType Digest
    
32. 
    Blocking IP addresses
    
33. 
    Unblocking IP addresses
    
34. 
    Request header exceeds LimitRequestFieldSize: Cookie
    
35. 
    LAMP stack got screwed by brew upgrade
    
36. 
    mod_deflate
    
37. 
    SSLProtocol, SSLProxyProtocol – Enable TLSv1.2 only
    
38. 
    Redirects are not working
    
39. 
    [core:error] [pid 1260] (13)Permission denied
    
40. 
    Apache does not auto-start on reboot/restart
    
41. 
    Zoomify does not work on the Burgess website
    
42. 
    access to /simplesaml denied because search permissions are missing on a component of the path
    
43. 
    Redirects are not working
    
44. 
    Symbolic Links
    
45. 
    301 Redirects vs Canonical Links (To be reviewed)
    
46. 
    Virtual Hosts cannot be loaded
    
47. 
    Allowing directory listing
    
48. 
    could not create /usr/local/var/run/httpd/httpd.pid
    
49. 
    Setting up default virtual hosts
    
50. 
    Cache-Control
    
51. 
    MacOS Apache is redirecting me to CentOS Apache
    
52. 
    Cannot load lib/httpd/modules/mod_ssl.so
    
53. 
    Unable to start Apache on CentOS
    
54. 
    Unable to start Apache on MacOS
    
    1. 
       Problem:
       
    2. 
       Solution:
       
    3. 
       Problem 2:
       
    4. 
       Solution 2:
       
    5. 
       Problem 3:
       
    6. 
       Solution 3:
       
    7. 
       Problem 4:
       
    8. 
       Solution 4:
       
55. 
    SSL Certificate misconfigured on siteground.com
    
56. 
    Building from source
    
57. 
    Serving content from multiple subdomains
    
58. 
    SameSite attribute
    
59. 
    Insecure TLS ciphers
    
    1. 
       How can I create an SSL server which accepts strong encryption only?
       
    2. 
       apache 2.4.6, intermediate config, OpenSSL 1.0.2k
       
    3. 
       Results of the implementation
       
    4. 
       Helpful SSL Tools
       
    5. 
       Redirecting users
       
60. 
    Forward Secrecy
    
61. 
    AWS redirects
    
62. 
    Adding custom header
    
63. 
    Apache won’t server PHP content
    
    1. 
       Problem:
       
    2. 
       Solution:
       
    3. 
       Problem 2:
       
    4. 
       Solution 2:
       
    5. 
       Problem 3:
       
    6. 
       Solution 3:
       
64. 
    Blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present
    
65. 
    Maintenance Mode
    
66. 
    File Descriptors Limits
    
67. 
    Killing Apache infinite redirection loops
    
68. 
    Apache refused to connect
    
    1. 
       TODO!
       
    2. 
       TODO!
       
    3. 
       TODO!
       
69. 
    No such file or directory @ apply2files
    
70. 
    VirtualHost *:80 vs VirtualHost _default_:80
    
71. 
    SetEnvIf, SetEnvIfExpr, and SetEnvIfNoCase
    
72. 
    Web forms anomaly
    
73. 
    ssl_engine_io.c(669)|(70007)The timeout specified has expired|AH01991: SSL input filter read failed
    
74. 
    Multiple TLS Certificates
    
75. 
    Blocking port 80
    
76. 
    Syncing Apache configuration files
    
77. 
    KeepAlive
    
    1. 
       KeepAlive Directive
       
    2. 
       KeepAliveTimeout Directive
       
    3. 
       MaxKeepAliveRequests Directive
       
78. 
    Load Balancers
    
    1. 
       What is target group stickiness?
       
    2. 
       What is group level stickiness?
       
    3. 
       Sticky sessions for your Application Load Balancer
       
79. 
    mod_rewrite
    
80. 
    Session Timeouts
    
81. 
    ERR_TOO_MANY_REDIRECTS
    
82. 
    Server Monitoring – mod_info + mod_status
    
83. 
    Subdomains vs Subdirectories
    
84. 
    QSD – Query String Discard
    
85. 
    Renaming hosts and hostnames
    
86. 
    URL-based Redirects
    
87. 
    Website not working
    
88. 
    Config variable ${APACHE_RUN_DIR} is not defined
    
89. 
    HTTP_REFERER