.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) Daniel Stenberg, , et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms .\" * are also available at https://curl.se/docs/copyright.html. .\" * .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell .\" * copies of the Software, and permit persons to whom the Software is .\" * furnished to do so, under the terms of the COPYING file. .\" * .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY .\" * KIND, either express or implied. .\" * .\" * SPDX-License-Identifier: curl .\" * .\" ************************************************************************** .\" .TH CURLOPT_KRBLEVEL 3 "January 02, 2023" "libcurl 7.88.1" "curl_easy_setopt options" .SH NAME CURLOPT_KRBLEVEL \- FTP kerberos security level .SH SYNOPSIS .nf #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_KRBLEVEL, char *level); .fi .SH DESCRIPTION Pass a char * as parameter. Set the kerberos security level for FTP; this also enables kerberos awareness. This is a string that should match one of the following: \&'clear', \&'safe', \&'confidential' or \&'private'. If the string is set but does not match one of these, 'private' will be used. Set the string to NULL to disable kerberos support for FTP. The application does not have to keep the string around after setting this option. .SH DEFAULT NULL .SH PROTOCOLS FTP .SH EXAMPLE .nf CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/foo.bin"); curl_easy_setopt(curl, CURLOPT_KRBLEVEL, "private"); ret = curl_easy_perform(curl); curl_easy_cleanup(curl); } .fi .SH AVAILABILITY This option was known as CURLOPT_KRB4LEVEL up to 7.16.3 .SH RETURN VALUE Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space. .SH "SEE ALSO" .BR CURLOPT_KRBLEVEL "(3), " CURLOPT_USE_SSL "(3), "