Annotation of embedaddon/curl/docs/cmdline-opts/page-footer, revision 1.1.1.1
1.1 misho 1: .SH FILES
2: .I ~/.curlrc
3: .RS
4: Default config file, see --config for details.
5: .SH ENVIRONMENT
6: The environment variables can be specified in lower case or upper case. The
7: lower case version has precedence. http_proxy is an exception as it is only
8: available in lower case.
9:
10: Using an environment variable to set the proxy has the same effect as using
11: the --proxy option.
12:
13: .IP "http_proxy [protocol://]<host>[:port]"
14: Sets the proxy server to use for HTTP.
15: .IP "HTTPS_PROXY [protocol://]<host>[:port]"
16: Sets the proxy server to use for HTTPS.
17: .IP "[url-protocol]_PROXY [protocol://]<host>[:port]"
18: Sets the proxy server to use for [url-protocol], where the protocol is a
19: protocol that curl supports and as specified in a URL. FTP, FTPS, POP3, IMAP,
20: SMTP, LDAP etc.
21: .IP "ALL_PROXY [protocol://]<host>[:port]"
22: Sets the proxy server to use if no protocol-specific proxy is set.
23: .IP "NO_PROXY <comma-separated list of hosts/domains>"
24: list of host names that shouldn't go through any proxy. If set to an asterisk
25: \&'*' only, it matches all hosts. Each name in this list is matched as either
26: a domain name which contains the hostname, or the hostname itself.
27:
28: This environment variable disables use of the proxy even when specified with
29: the --proxy option. That is
30: .B NO_PROXY=direct.example.com curl -x http://proxy.example.com
31: .B http://direct.example.com
32: accesses the target URL directly, and
33: .B NO_PROXY=direct.example.com curl -x http://proxy.example.com
34: .B http://somewhere.example.com
35: accesses the target URL through the proxy.
36:
37: The list of host names can also be include numerical IP addresses, and IPv6
38: versions should then be given without enclosing brackets.
39:
40: .SH "PROXY PROTOCOL PREFIXES"
41: Since curl version 7.21.7, the proxy string may be specified with a
42: protocol:// prefix to specify alternative proxy protocols.
43:
44: If no protocol is specified in the proxy string or if the string doesn't match
45: a supported one, the proxy will be treated as an HTTP proxy.
46:
47: The supported proxy protocol prefixes are as follows:
48: .IP "http://"
49: Makes it use it as an HTTP proxy. The default if no scheme prefix is used.
50: .IP "https://"
51: Makes it treated as an \fBHTTPS\fP proxy.
52: .IP "socks4://"
53: Makes it the equivalent of --socks4
54: .IP "socks4a://"
55: Makes it the equivalent of --socks4a
56: .IP "socks5://"
57: Makes it the equivalent of --socks5
58: .IP "socks5h://"
59: Makes it the equivalent of --socks5-hostname
60: .SH EXIT CODES
61: There are a bunch of different error codes and their corresponding error
62: messages that may appear during bad conditions. At the time of this writing,
63: the exit codes are:
64: .IP 1
65: Unsupported protocol. This build of curl has no support for this protocol.
66: .IP 2
67: Failed to initialize.
68: .IP 3
69: URL malformed. The syntax was not correct.
70: .IP 4
71: A feature or option that was needed to perform the desired request was not
72: enabled or was explicitly disabled at build-time. To make curl able to do
73: this, you probably need another build of libcurl!
74: .IP 5
75: Couldn't resolve proxy. The given proxy host could not be resolved.
76: .IP 6
77: Couldn't resolve host. The given remote host was not resolved.
78: .IP 7
79: Failed to connect to host.
80: .IP 8
81: Weird server reply. The server sent data curl couldn't parse.
82: .IP 9
83: FTP access denied. The server denied login or denied access to the particular
84: resource or directory you wanted to reach. Most often you tried to change to a
85: directory that doesn't exist on the server.
86: .IP 10
87: FTP accept failed. While waiting for the server to connect back when an active
88: FTP session is used, an error code was sent over the control connection or
89: similar.
90: .IP 11
91: FTP weird PASS reply. Curl couldn't parse the reply sent to the PASS request.
92: .IP 12
93: During an active FTP session while waiting for the server to connect back to
94: curl, the timeout expired.
95: .IP 13
96: FTP weird PASV reply, Curl couldn't parse the reply sent to the PASV request.
97: .IP 14
98: FTP weird 227 format. Curl couldn't parse the 227-line the server sent.
99: .IP 15
100: FTP can't get host. Couldn't resolve the host IP we got in the 227-line.
101: .IP 16
102: HTTP/2 error. A problem was detected in the HTTP2 framing layer. This is
103: somewhat generic and can be one out of several problems, see the error message
104: for details.
105: .IP 17
106: FTP couldn't set binary. Couldn't change transfer method to binary.
107: .IP 18
108: Partial file. Only a part of the file was transferred.
109: .IP 19
110: FTP couldn't download/access the given file, the RETR (or similar) command
111: failed.
112: .IP 21
113: FTP quote error. A quote command returned error from the server.
114: .IP 22
115: HTTP page not retrieved. The requested url was not found or returned another
116: error with the HTTP error code being 400 or above. This return code only
117: appears if --fail is used.
118: .IP 23
119: Write error. Curl couldn't write data to a local filesystem or similar.
120: .IP 25
121: FTP couldn't STOR file. The server denied the STOR operation, used for FTP
122: uploading.
123: .IP 26
124: Read error. Various reading problems.
125: .IP 27
126: Out of memory. A memory allocation request failed.
127: .IP 28
128: Operation timeout. The specified time-out period was reached according to the
129: conditions.
130: .IP 30
131: FTP PORT failed. The PORT command failed. Not all FTP servers support the PORT
132: command, try doing a transfer using PASV instead!
133: .IP 31
134: FTP couldn't use REST. The REST command failed. This command is used for
135: resumed FTP transfers.
136: .IP 33
137: HTTP range error. The range "command" didn't work.
138: .IP 34
139: HTTP post error. Internal post-request generation error.
140: .IP 35
141: SSL connect error. The SSL handshaking failed.
142: .IP 36
143: Bad download resume. Couldn't continue an earlier aborted download.
144: .IP 37
145: FILE couldn't read file. Failed to open the file. Permissions?
146: .IP 38
147: LDAP cannot bind. LDAP bind operation failed.
148: .IP 39
149: LDAP search failed.
150: .IP 41
151: Function not found. A required LDAP function was not found.
152: .IP 42
153: Aborted by callback. An application told curl to abort the operation.
154: .IP 43
155: Internal error. A function was called with a bad parameter.
156: .IP 45
157: Interface error. A specified outgoing interface could not be used.
158: .IP 47
159: Too many redirects. When following redirects, curl hit the maximum amount.
160: .IP 48
161: Unknown option specified to libcurl. This indicates that you passed a weird
162: option to curl that was passed on to libcurl and rejected. Read up in the
163: manual!
164: .IP 49
165: Malformed telnet option.
166: .IP 51
167: The peer's SSL certificate or SSH MD5 fingerprint was not OK.
168: .IP 52
169: The server didn't reply anything, which here is considered an error.
170: .IP 53
171: SSL crypto engine not found.
172: .IP 54
173: Cannot set SSL crypto engine as default.
174: .IP 55
175: Failed sending network data.
176: .IP 56
177: Failure in receiving network data.
178: .IP 58
179: Problem with the local certificate.
180: .IP 59
181: Couldn't use specified SSL cipher.
182: .IP 60
183: Peer certificate cannot be authenticated with known CA certificates.
184: .IP 61
185: Unrecognized transfer encoding.
186: .IP 62
187: Invalid LDAP URL.
188: .IP 63
189: Maximum file size exceeded.
190: .IP 64
191: Requested FTP SSL level failed.
192: .IP 65
193: Sending the data requires a rewind that failed.
194: .IP 66
195: Failed to initialise SSL Engine.
196: .IP 67
197: The user name, password, or similar was not accepted and curl failed to log in.
198: .IP 68
199: File not found on TFTP server.
200: .IP 69
201: Permission problem on TFTP server.
202: .IP 70
203: Out of disk space on TFTP server.
204: .IP 71
205: Illegal TFTP operation.
206: .IP 72
207: Unknown TFTP transfer ID.
208: .IP 73
209: File already exists (TFTP).
210: .IP 74
211: No such user (TFTP).
212: .IP 75
213: Character conversion failed.
214: .IP 76
215: Character conversion functions required.
216: .IP 77
217: Problem with reading the SSL CA cert (path? access rights?).
218: .IP 78
219: The resource referenced in the URL does not exist.
220: .IP 79
221: An unspecified error occurred during the SSH session.
222: .IP 80
223: Failed to shut down the SSL connection.
224: .IP 82
225: Could not load CRL file, missing or wrong format (added in 7.19.0).
226: .IP 83
227: Issuer check failed (added in 7.19.0).
228: .IP 84
229: The FTP PRET command failed
230: .IP 85
231: RTSP: mismatch of CSeq numbers
232: .IP 86
233: RTSP: mismatch of Session Identifiers
234: .IP 87
235: unable to parse FTP file list
236: .IP 88
237: FTP chunk callback reported error
238: .IP 89
239: No connection available, the session will be queued
240: .IP 90
241: SSL public key does not matched pinned public key
242: .IP 91
243: Invalid SSL certificate status.
244: .IP 92
245: Stream error in HTTP/2 framing layer.
246: .IP XX
247: More error codes will appear here in future releases. The existing ones
248: are meant to never change.
249: .SH AUTHORS / CONTRIBUTORS
250: Daniel Stenberg is the main author, but the whole list of contributors is
251: found in the separate THANKS file.
252: .SH WWW
253: https://curl.haxx.se
254: .SH "SEE ALSO"
255: .BR ftp (1),
256: .BR wget (1)
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