The cURL project moved to a new domain a few days ago:
https://daniel.haxx.se/blog/2020/11/04/the-journey-to-a-curl-domain/
This patch changes the domain from curl.haxx.se to curl.se
Index: net/curl/Makefile
===================================================================
RCS file: /cvs/ports/net/curl/Makefile,v
retrieving revision 1.157
diff -u -p -u -p -r1.157 Makefile
--- net/curl/Makefile 18 Oct 2020 11:53:40 -0000 1.157
+++ net/curl/Makefile 8 Nov 2020 13:51:32 -0000
@@ -5,14 +5,14 @@ COMMENT= transfer files with FTP, HTTP,
DISTNAME= curl-7.73.0
SHARED_LIBS= curl 26.7 # 11.0
CATEGORIES= net
-HOMEPAGE= https://curl.haxx.se/
+HOMEPAGE= https://curl.se/
MAINTAINER= Christian Weisgerber <na...@openbsd.org>
# MIT
PERMIT_PACKAGE= Yes
-MASTER_SITES= https://curl.haxx.se/download/
+MASTER_SITES= https://curl.se/download/
EXTRACT_SUFX= .tar.xz
LIB_DEPENDS= www/nghttp2
