diff --git a/database.go b/database.go
index 212b24e..e52d98c 100644
--- a/database.go
+++ b/database.go
@@ -515,7 +515,7 @@ var stmtThumbBiters, stmtDeleteHonk, stmtDeleteDonks, stmtDeleteOnts, stmtSaveZo
 var stmtGetZonkers, stmtRecentHonkers, stmtGetXonker, stmtSaveXonker, stmtDeleteXonker *sql.Stmt
 var stmtSelectOnts, stmtSaveOnt, stmtUpdateFlags, stmtClearFlags *sql.Stmt
 var stmtHonksForUserFirstClass, stmtSaveMeta, stmtDeleteMeta, stmtUpdateHonk *sql.Stmt
-var stmtGetFilters *sql.Stmt
+var stmtGetFilters, stmtSaveFilter, stmtDeleteFilter *sql.Stmt
 
 func preparetodie(db *sql.DB, s string) *sql.Stmt {
 	stmt, err := db.Prepare(s)
@@ -583,4 +583,6 @@ func prepareStatements(db *sql.DB) {
 	stmtClearFlags = preparetodie(db, "update honks set flags = flags & ~ ? where honkid = ?")
 	stmtSelectOnts = preparetodie(db, "select distinct(ontology) from onts join honks on onts.honkid = honks.honkid where (honks.userid = ? or honks.whofore = 2)")
 	stmtGetFilters = preparetodie(db, "select hfcsid, json from hfcs where userid = ?")
+	stmtSaveFilter = preparetodie(db, "insert into hfcs (userid, json) values (?, ?)")
+	stmtDeleteFilter = preparetodie(db, "delete from hfcs where userid = ? and hfcsid = ?")
 }
diff --git a/fun.go b/fun.go
index fb4ba81..e2a0b61 100644
--- a/fun.go
+++ b/fun.go
@@ -75,12 +75,8 @@ func reverbolate(userid int64, honks []*Honk) {
 				h.Open = ""
 			}
 		} else {
-			if badword := unsee(userid, h); badword != "" {
-				if h.Precis == "" {
-					h.Precis = badword
-				}
-				h.Open = ""
-			} else if h.Precis == "unspecified horror" {
+			unsee(userid, h)
+			if h.Open == "open" && h.Precis == "unspecified horror" {
 				h.Precis = ""
 			}
 		}
diff --git a/hfcs.go b/hfcs.go
index 30154e5..a19f854 100644
--- a/hfcs.go
+++ b/hfcs.go
@@ -19,22 +19,28 @@ import (
 	"log"
 	"net/http"
 	"regexp"
+	"sort"
+	"time"
 )
 
 type Filter struct {
-	ID              int64
-	Actor           string
-	IncludeAudience bool
-	Text            string
+	ID              int64      `json:"-"`
+	Actions         []filtType `json:"-"`
+	Name            string
+	Date            time.Time
+	Actor           string `json:",omitempty"`
+	IncludeAudience bool   `json:",omitempty"`
+	Text            string `json:",omitempty"`
 	re_text         *regexp.Regexp
-	IsAnnounce      bool
-	Reject          bool
-	SkipMedia       bool
-	Hide            bool
-	Collapse        bool
-	Rewrite         string
+	IsAnnounce      bool   `json:",omitempty"`
+	AnnounceOf      string `json:",omitempty"`
+	Reject          bool   `json:",omitempty"`
+	SkipMedia       bool   `json:",omitempty"`
+	Hide            bool   `json:",omitempty"`
+	Collapse        bool   `json:",omitempty"`
+	Rewrite         string `json:",omitempty"`
 	re_rewrite      *regexp.Regexp
-	Replace         string
+	Replace         string `json:",omitempty"`
 }
 
 type filtType uint
@@ -85,23 +91,40 @@ var filtcache = cacheNew(func(userid int64) (afiltermap, bool) {
 				continue
 			}
 		}
+		if filt.Rewrite != "" {
+			filt.re_rewrite, err = regexp.Compile("\\b(?i:" + filt.Rewrite + ")\\b")
+			if err != nil {
+				log.Printf("error compiling filter rewrite: %s", err)
+				continue
+			}
+		}
 		filt.ID = filterid
 		if filt.Reject {
+			filt.Actions = append(filt.Actions, filtReject)
 			filtmap[filtReject] = append(filtmap[filtReject], filt)
 		}
 		if filt.SkipMedia {
+			filt.Actions = append(filt.Actions, filtSkipMedia)
 			filtmap[filtSkipMedia] = append(filtmap[filtSkipMedia], filt)
 		}
 		if filt.Hide {
+			filt.Actions = append(filt.Actions, filtHide)
 			filtmap[filtHide] = append(filtmap[filtHide], filt)
 		}
 		if filt.Collapse {
+			filt.Actions = append(filt.Actions, filtCollapse)
 			filtmap[filtCollapse] = append(filtmap[filtCollapse], filt)
 		}
 		if filt.Rewrite != "" {
+			filt.Actions = append(filt.Actions, filtRewrite)
 			filtmap[filtRewrite] = append(filtmap[filtRewrite], filt)
 		}
+		filtmap[filtAny] = append(filtmap[filtAny], filt)
 	}
+	sorting := filtmap[filtAny]
+	sort.Slice(filtmap[filtAny], func(i, j int) bool {
+		return sorting[i].Name < sorting[j].Name
+	})
 	return filtmap, true
 })
 
@@ -147,13 +170,12 @@ func stealthmode(userid int64, r *http.Request) bool {
 		fake := rejectorigin(userid, agent)
 		if fake {
 			log.Printf("faking 404 for %s", agent)
-			return fake
+			return true
 		}
 	}
 	return false
 }
 
-// todo
 func matchfilter(h *Honk, f *Filter) bool {
 	match := true
 	if match && f.Actor != "" {
@@ -175,6 +197,13 @@ func matchfilter(h *Honk, f *Filter) bool {
 			}
 		}
 	}
+	if match && f.IsAnnounce {
+		match = false
+		if (f.AnnounceOf == "" && h.Oonker != "") || f.AnnounceOf == h.Oonker ||
+			f.AnnounceOf == originate(h.Oonker) {
+			match = true
+		}
+	}
 	if match && f.Text != "" {
 		match = false
 		re := f.re_text
@@ -189,10 +218,7 @@ func matchfilter(h *Honk, f *Filter) bool {
 			}
 		}
 	}
-	if match {
-		return true
-	}
-	return false
+	return match
 }
 
 func rejectxonk(xonk *Honk) bool {
@@ -215,15 +241,27 @@ func skipMedia(xonk *Honk) bool {
 	return false
 }
 
-// todo
-func unsee(userid int64, h *Honk) string {
+func unsee(userid int64, h *Honk) {
 	filts := getfilters(userid, filtCollapse)
 	for _, f := range filts {
 		if matchfilter(h, f) {
-			return f.Text
+			bad := f.Text
+			if f.Actor != "" {
+				bad = f.Actor
+			}
+			if h.Precis == "" {
+				h.Precis = bad
+			}
+			h.Open = ""
+			break
+		}
+	}
+	filts = getfilters(userid, filtRewrite)
+	for _, f := range filts {
+		if matchfilter(h, f) {
+			h.Noise = f.re_rewrite.ReplaceAllString(h.Noise, f.Replace)
 		}
 	}
-	return ""
 }
 
 func osmosis(honks []*Honk, userid int64) []*Honk {
diff --git a/views/header.html b/views/header.html
index 81425c1..90c808d 100644
--- a/views/header.html
+++ b/views/header.html
@@ -37,7 +37,7 @@
 <li><a href="/about">about</a>
 <li><a href="/front">front</a>
 <li><a href="/xzone">xzone</a>
-<li><a href="/zonkzone">zonkzone</a>
+<li><a href="/hfcs">hfcs</a>
 <li><a href="/funzone">funzone</a>
 <li><a href="/account">account</a>
 <li>
diff --git a/views/hfcs.html b/views/hfcs.html
new file mode 100644
index 0000000..1e98909
--- /dev/null
+++ b/views/hfcs.html
@@ -0,0 +1,51 @@
+{{ template "header.html" . }}
+<main>
+<div class="info">
+<p>
+Honk Filtering and Censoring System
+<form action="/savehfcs" method="POST">
+<input type="hidden" name="CSRF" value="{{ .FilterCSRF }}">
+<h3>new filter</h3>
+<p><input tabindex=1 type="text" name="name" value="" autocomplete=off> - name
+<h3>match</h3>
+<p><input tabindex=1 type="text" name="actor" value="" autocomplete=off> - who/where
+<p><span><label for="incaud">include audience:</label>
+<input tabindex=1 type="checkbox" id="incaud" name="incaud" value="yes"><span></span></span>
+<p><input tabindex=1 type="text" name="filttext" value="" autocomplete=off> - text
+<p><span><label for="isannounce">is announce:</label>
+<input tabindex=1 type="checkbox" id="isannounce" name="isannounce" value="yes"><span></span></span>
+<p><input tabindex=1 type="text" name="announceof" value="" autocomplete=off> - announce of
+<h3>action</h3>
+<p><span><label for="doreject">reject:</label>
+<input tabindex=1 type="checkbox" id="doreject" name="doreject" value="yes"><span></span></span>
+<span><label for="doskipmedia">skip media:</label>
+<input tabindex=1 type="checkbox" id="doskipmedia" name="doskipmedia" value="yes"><span></span></span>
+<span><label for="dohide">hide:</label>
+<input tabindex=1 type="checkbox" id="dohide" name="dohide" value="yes"><span></span></span>
+<span><label for="docollapse">collapse:</label>
+<input tabindex=1 type="checkbox" id="docollapse" name="docollapse" value="yes"><span></span></span>
+<p><input tabindex=1 type="text" name="filtrewrite" value="" autocomplete=off> - rewrite
+<p><input tabindex=1 type="text" name="filtreplace" value="" autocomplete=off> - replace
+<p><button>impose your will</button>
+</form>
+</div>
+{{ $csrf := .FilterCSRF }}
+{{ range .Filters }}
+<section class="honk">
+<p>Name: {{ .Name }}
+<p>Date: {{ .Date.Format "2006-01-02" }}
+{{ with .Actor }}<p>Who: {{ . }}{{ end }} {{ with .IncludeAudience }} (inclusive) {{ end }}
+{{ with .Text }}<p>Text: {{ . }}{{ end }}
+<p>Actions: {{ range .Actions }} {{ . }} {{ end }}
+{{ with .Rewrite }}<p>Rewrite: {{ . }}{{ end }}
+{{ with .Replace }}<p>Replace: {{ . }}{{ end }}
+<form action="/savehfcs" method="POST">
+<input type="hidden" name="CSRF" value="{{ $csrf }}">
+<input type="hidden" name="hfcsid" value="{{ .ID }}">
+<input type="hidden" name="itsok" value="iforgiveyou">
+<button name="pardon" value="pardon">pardon</button>
+</form>
+<p>
+</section>
+{{ end }}
+</main>
diff --git a/views/zonkers.html b/views/zonkers.html
deleted file mode 100644
index 1a15b3c..0000000
--- a/views/zonkers.html
+++ /dev/null
@@ -1,24 +0,0 @@
-{{ template "header.html" . }}
-<main>
-<div class="info">
-<p>
-Work in progress
-</div>
-{{ $zonkcsrf := .ZonkCSRF }}
-{{ range $how, $filters := .Filters }}
-{{ range $filters }}
-<section class="honk">
-<p>How: {{ $how }}
-{{ with .Actor }}<p>Who: {{ . }}{{ end }}
-{{ with .Text }}<p>What: {{ . }}{{ end }}
-<form action="/zonkzonk" method="POST">
-<input type="hidden" name="CSRF" value="{{ $zonkcsrf }}">
-<input type="hidden" name="zonkerid" value="{{ .ID }}">
-<input type="hidden" name="itsok" value="iforgiveyou">
-<button name="pardon" value="pardon">pardon</button>
-</form>
-<p>
-</section>
-{{ end }}
-{{ end }}
-</main>
diff --git a/web.go b/web.go
index 61ba082..71dcc12 100644
--- a/web.go
+++ b/web.go
@@ -1237,36 +1237,64 @@ func submithonker(w http.ResponseWriter, r *http.Request) {
 	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
 }
 
-func zonkzone(w http.ResponseWriter, r *http.Request) {
+func hfcspage(w http.ResponseWriter, r *http.Request) {
 	userinfo := login.GetUserInfo(r)
 
-	var filters afiltermap
-	filtcache.Get(userinfo.UserID, &filters)
+	filters := getfilters(userinfo.UserID, filtAny)
 
 	templinfo := getInfo(r)
 	templinfo["Filters"] = filters
-	templinfo["ZonkCSRF"] = login.GetCSRF("zonkzonk", r)
-	err := readviews.Execute(w, "zonkers.html", templinfo)
+	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
+	err := readviews.Execute(w, "hfcs.html", templinfo)
 	if err != nil {
 		log.Print(err)
 	}
 }
 
-// todo
-func zonkzonk(w http.ResponseWriter, r *http.Request) {
+func savehfcs(w http.ResponseWriter, r *http.Request) {
 	userinfo := login.GetUserInfo(r)
 	itsok := r.FormValue("itsok")
 	if itsok == "iforgiveyou" {
-		zonkerid, _ := strconv.ParseInt(r.FormValue("zonkerid"), 10, 0)
-		db := opendatabase()
-		db.Exec("delete from hfcs where userid = ? and hfcsid = ?",
-			userinfo.UserID, zonkerid)
+		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
+		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
+		if err != nil {
+			log.Printf("error deleting filter: %s", err)
+		}
 		filtcache.Clear(userinfo.UserID)
-		http.Redirect(w, r, "/zonkzone", http.StatusSeeOther)
+		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
 		return
 	}
 
-	http.Redirect(w, r, "/zonkzone", http.StatusSeeOther)
+	filt := new(Filter)
+	filt.Name = r.FormValue("name")
+	filt.Date = time.Now().UTC()
+	filt.Actor = r.FormValue("actor")
+	filt.IncludeAudience = r.FormValue("incaud") == "yes"
+	filt.Text = r.FormValue("filttext")
+	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
+	filt.AnnounceOf = r.FormValue("announceof")
+	filt.Reject = r.FormValue("doreject") == "yes"
+	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
+	filt.Hide = r.FormValue("dohide") == "yes"
+	filt.Collapse = r.FormValue("docollapse") == "yes"
+	filt.Rewrite = r.FormValue("filtrewrite")
+	filt.Replace = r.FormValue("filtreplace")
+
+	if filt.Actor == "" && filt.Text == "" {
+		log.Printf("blank filter")
+		return
+	}
+
+	j, err := jsonify(filt)
+	if err == nil {
+		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
+	}
+	if err != nil {
+		log.Printf("error saving filter: %s", err)
+	}
+
+	filtcache.Clear(userinfo.UserID)
+	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
 }
 
 func accountpage(w http.ResponseWriter, r *http.Request) {
@@ -1485,7 +1513,7 @@ func serve() {
 		"views/honkpage.html",
 		"views/honkfrags.html",
 		"views/honkers.html",
-		"views/zonkers.html",
+		"views/hfcs.html",
 		"views/combos.html",
 		"views/honkform.html",
 		"views/honk.html",
@@ -1545,13 +1573,13 @@ func serve() {
 	loggedin.HandleFunc("/funzone", showfunzone)
 	loggedin.HandleFunc("/chpass", dochpass)
 	loggedin.HandleFunc("/atme", homepage)
-	loggedin.HandleFunc("/zonkzone", zonkzone)
+	loggedin.HandleFunc("/hfcs", hfcspage)
 	loggedin.HandleFunc("/xzone", xzone)
 	loggedin.HandleFunc("/edit", edithonkpage)
 	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(submithonk)))
 	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
 	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
-	loggedin.Handle("/zonkzonk", login.CSRFWrap("zonkzonk", http.HandlerFunc(zonkzonk)))
+	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
 	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
 	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
 	loggedin.HandleFunc("/honkers", showhonkers)