diff --git a/src/site/markdown/release_notes.md b/src/site/markdown/release_notes.md
index db58341ae0..76893f73e4 100644
--- a/src/site/markdown/release_notes.md
+++ b/src/site/markdown/release_notes.md
@@ -11,6 +11,7 @@ Full listing of changes and bug fixes are not available prior to release 1.2.0 a
 * Visualize snapshot density in bubble calendar using bubble background color. [#351](https://github.com/iipc/openwayback/issues/351)
 * Support Brotli (`br`) content-encoding. [#395](https://github.com/iipc/openwayback/pull/395)
 * Rewrite new `imagesrcset` attribute of the link element. [#394](https://github.com/iipc/openwayback/issues/394)
+* Rewrite ftp and ftps scheme URIs in HTML. [#400](https://github.com/iipc/openwayback/pull/400)
 
 ### Bug fixes
 * Add proxy support to IP exclusion. [#260](https://github.com/iipc/openwayback/issues/260) 
diff --git a/wayback-core/src/main/java/org/archive/wayback/core/WaybackRequest.java b/wayback-core/src/main/java/org/archive/wayback/core/WaybackRequest.java
index 6a835edae4..88fe038232 100644
--- a/wayback-core/src/main/java/org/archive/wayback/core/WaybackRequest.java
+++ b/wayback-core/src/main/java/org/archive/wayback/core/WaybackRequest.java
@@ -763,11 +763,18 @@ public void setRequestUrl(String urlStr) {
 		// is known, adding an implied "http://" scheme if there doesn't appear
 		// to be a scheme..
 		// TODO: make the default "http://" configurable.
-		if (!urlStr.startsWith(UrlOperations.HTTP_SCHEME) && !urlStr.startsWith(UrlOperations.HTTPS_SCHEME)) {
+		if (!urlStr.startsWith(UrlOperations.HTTP_SCHEME) &&
+				!urlStr.startsWith(UrlOperations.HTTPS_SCHEME) &&
+				!urlStr.startsWith(UrlOperations.FTP_SCHEME) &&
+				!urlStr.startsWith(UrlOperations.FTPS_SCHEME)) {
 	    		if(urlStr.startsWith("http:/")) {
 	    			urlStr = UrlOperations.HTTP_SCHEME + urlStr.substring(6);
 	    		} else if(urlStr.startsWith("https:/")) {
 				urlStr = UrlOperations.HTTPS_SCHEME + urlStr.substring(7);
+			} else if(urlStr.startsWith("ftp:/")) {
+				urlStr = UrlOperations.FTP_SCHEME + urlStr.substring(5);
+			} else if(urlStr.startsWith("ftps:/")) {
+				urlStr = UrlOperations.FTPS_SCHEME + urlStr.substring(6);
 			} else {
 	    		if(UrlOperations.urlToScheme(urlStr) == null) {
 	    			urlStr = UrlOperations.HTTP_SCHEME + urlStr;
diff --git a/wayback-core/src/main/java/org/archive/wayback/replay/html/ReplayParseContext.java b/wayback-core/src/main/java/org/archive/wayback/replay/html/ReplayParseContext.java
index c0b253437a..9af6f110c2 100644
--- a/wayback-core/src/main/java/org/archive/wayback/replay/html/ReplayParseContext.java
+++ b/wayback-core/src/main/java/org/archive/wayback/replay/html/ReplayParseContext.java
@@ -217,14 +217,22 @@ public String contextualizeUrl(final String url, String flags) {
 
 		if (!trimmedUrl.startsWith("http://") &&
 				!trimmedUrl.startsWith("https://") &&
+				!trimmedUrl.startsWith("ftp://") &&
+				!trimmedUrl.startsWith("ftps://") &&
 				!trimmedUrl.startsWith("//") &&
 				!trimmedUrl.startsWith("http:\\\\/\\\\/") &&
 				!trimmedUrl.startsWith("http\\\\u00253A\\\\u00252F\\\\u00252F") &&
 				!trimmedUrl.startsWith("https:\\\\/\\\\/") &&
 				!trimmedUrl
 					.startsWith("https\\\\u00253A\\\\u00252F\\\\u00252F") &&
+				!trimmedUrl.startsWith("ftp:\\\\/\\\\/") &&
+				!trimmedUrl.startsWith("ftp\\\\u00253A\\\\u00252F\\\\u00252F") &&
+				!trimmedUrl.startsWith("ftps:\\\\/\\\\/") &&
+				!trimmedUrl.startsWith("ftps\\\\u00253A\\\\u00252F\\\\u00252F") &&
 				!trimmedUrl.startsWith("http:\\/\\/") &&
 				!trimmedUrl.startsWith("https:\\/\\/") &&
+				!trimmedUrl.startsWith("ftp:\\/\\/") &&
+				!trimmedUrl.startsWith("ftps:\\/\\/") &&
 				!trimmedUrl.startsWith("/") &&
 				!trimmedUrl.startsWith(".")) {
 			return url;
diff --git a/wayback-core/src/main/java/org/archive/wayback/util/url/UrlOperations.java b/wayback-core/src/main/java/org/archive/wayback/util/url/UrlOperations.java
index 397b6762d1..584ba1258e 100644
--- a/wayback-core/src/main/java/org/archive/wayback/util/url/UrlOperations.java
+++ b/wayback-core/src/main/java/org/archive/wayback/util/url/UrlOperations.java
@@ -57,6 +57,10 @@ public class UrlOperations {
 	 * FTP
 	 */
 	public final static String FTP_SCHEME = "ftp://";
+	/**
+	 * FTPS
+	 */
+	public final static String FTPS_SCHEME = "ftps://";
 	/**
 	 * MMS
 	 */
@@ -83,6 +87,7 @@ public class UrlOperations {
 		HTTP_SCHEME,
 		HTTPS_SCHEME,
 		FTP_SCHEME,
+		FTPS_SCHEME,
 		MMS_SCHEME,
 		RTSP_SCHEME,
 		WAIS_SCHEME
diff --git a/wayback-core/src/test/java/org/archive/wayback/archivalurl/FastArchivalUrlReplayParseEventHandlerTest.java b/wayback-core/src/test/java/org/archive/wayback/archivalurl/FastArchivalUrlReplayParseEventHandlerTest.java
index c7d82b04c7..1eac9b528b 100644
--- a/wayback-core/src/test/java/org/archive/wayback/archivalurl/FastArchivalUrlReplayParseEventHandlerTest.java
+++ b/wayback-core/src/test/java/org/archive/wayback/archivalurl/FastArchivalUrlReplayParseEventHandlerTest.java
@@ -97,6 +97,26 @@ public void testAnchorHrefRelative() throws Exception {
 		assertEquals(expected, doEndToEnd(input));
 	}
 
+	public void testAnchorHrefFtp() throws Exception {
+		final String input = "<html>" +
+				"<a href=\"ftp://www.example.com/foo.pdf\">foo.pdf</a>" +
+				"</html>";
+		final String expected = "<html>" +
+				"<a href=\"http://replay.archive.org/2001/ftp://www.example.com/foo.pdf\">" +
+				"foo.pdf</a></html>";
+		assertEquals(expected, doEndToEnd(input));
+	}
+
+	public void testAnchorHrefFtps() throws Exception {
+		final String input = "<html>" +
+				"<a href=\"ftps://www.example.com/foo.pdf\">foo.pdf</a>" +
+				"</html>";
+		final String expected = "<html>" +
+				"<a href=\"http://replay.archive.org/2001/ftps://www.example.com/foo.pdf\">" +
+				"foo.pdf</a></html>";
+		assertEquals(expected, doEndToEnd(input));
+	}
+
 	public void testAnchorHrefAbsoluteInJavascript() throws Exception {
 		final String input = "<html>" +
 				"<a href=\"javascript:doWin('http://www.symphony.org')\">American Symphony Orchestra League</a>" +
diff --git a/wayback-core/src/test/java/org/archive/wayback/archivalurl/requestparser/ReplayRequestParserTest.java b/wayback-core/src/test/java/org/archive/wayback/archivalurl/requestparser/ReplayRequestParserTest.java
index 48dc17d9fe..c8e9e16d55 100644
--- a/wayback-core/src/test/java/org/archive/wayback/archivalurl/requestparser/ReplayRequestParserTest.java
+++ b/wayback-core/src/test/java/org/archive/wayback/archivalurl/requestparser/ReplayRequestParserTest.java
@@ -90,6 +90,14 @@ public void testParseString() throws Exception {
 		assertEquals("parsed request Url with https scheme missing a scheme slash",
 				"https://foo.com/",r.getRequestUrl());
 
+		r = p.parse("20070101000000/ftp:/foo.com/",ap);
+		assertEquals("parsed request Url with ftp scheme missing a scheme slash",
+				"ftp://foo.com/",r.getRequestUrl());
+
+		r = p.parse("20070101000000/ftps:/foo.com/",ap);
+		assertEquals("parsed request Url with ftps scheme missing a scheme slash",
+				"ftps://foo.com/",r.getRequestUrl());
+
 		r = p.parse("20070101000000js_/http://foo.com/",ap);
 		assertEquals("parsed request Url with js_ flag",
 				"http://foo.com/",r.getRequestUrl());