https://bz.apache.org/bugzilla/show_bug.cgi?id=63840
Bug ID: 63840 Summary: mod_headers sends duplicate headers with 413 status code Product: Apache httpd-2 Version: 2.4.41 Hardware: PC OS: Linux Status: NEW Severity: normal Priority: P2 Component: mod_headers Assignee: bugs@httpd.apache.org Reporter: markjenk...@mailfish.de Target Milestone: --- Headers configured with "Header always set" are duplicated when status code 413 occurs: Main server config: Header always set X-Robots-Tag none LimitRequestBody 4096 Create files 4k and 5k in size: $ dd if=/dev/zero of=/tmp/4k.bin bs=1024 count=4 4+0 records in 4+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 9.6849e-05 s, 42.3 MB/s $ dd if=/dev/zero of=/tmp/5k.bin bs=1024 count=5 5+0 records in 5+0 records out 5120 bytes (5.1 kB, 5.0 KiB) copied, 0.000101331 s, 50.5 MB/s POST 4k file -> OK, X-Robots-Tag header only once. $ curl -v -X POST http://localhost/ --data-binary @/tmp/4k.bin Note: Unnecessary use of -X or --request, POST is already inferred. * Trying 127.0.0.1:80... * TCP_NODELAY set * Connected to localhost (127.0.0.1) port 80 (#0) > POST / HTTP/1.1 > Host: localhost > User-Agent: curl/7.65.3 > Accept: */* > Content-Length: 4096 > Content-Type: application/x-www-form-urlencoded > Expect: 100-continue > * Mark bundle as not supporting multiuse < HTTP/1.1 100 Continue * We are completely uploaded and fine * Mark bundle as not supporting multiuse < HTTP/1.1 200 OK < Date: Sat, 12 Oct 2019 11:31:24 GMT < Server: Apache/2.4.41 (Fedora) < X-Robots-Tag: none < Last-Modified: Sat, 12 Oct 2019 11:29:54 GMT < ETag: "0-594b4f42530f6" < Accept-Ranges: bytes < Content-Length: 0 < Content-Type: text/html; charset=UTF-8 < * Connection #0 to host localhost left intact POST 5k file -> Request Entity Too Large, as expected, but X-Robots-Tag twice: $ curl -v -X POST http://localhost/ --data-binary @/tmp/5k.bin Note: Unnecessary use of -X or --request, POST is already inferred. * Trying 127.0.0.1:80... * TCP_NODELAY set * Connected to localhost (127.0.0.1) port 80 (#0) > POST / HTTP/1.1 > Host: localhost > User-Agent: curl/7.65.3 > Accept: */* > Content-Length: 5120 > Content-Type: application/x-www-form-urlencoded > Expect: 100-continue > * Mark bundle as not supporting multiuse < HTTP/1.1 413 Request Entity Too Large < Date: Sat, 12 Oct 2019 11:31:34 GMT < Server: Apache/2.4.41 (Fedora) < X-Robots-Tag: none < X-Robots-Tag: none < Connection: close < Content-Type: text/html; charset=iso-8859-1 < <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>413 Request Entity Too Large</title> </head><body> <h1>Request Entity Too Large</h1> The requested resource does not allow request data with POST requests, or the amount of data provided in the request exceeds the capacity limit. </body></html> * Closing connection 0 -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: bugs-unsubscr...@httpd.apache.org For additional commands, e-mail: bugs-h...@httpd.apache.org