diff --git a/go.mod b/go.mod
index 978cab8..a0abb2e 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 require g.arns.lt/zordsdavini/abcex/v4 v4.0.4 // indirect
 
 require (
-	g.arns.lt/zordsdavini/zordfsdb v1.0.4
+	g.arns.lt/zordsdavini/zordfsdb v1.0.5
 	github.com/golang/protobuf v1.5.2 // indirect
 	golang.org/x/net v0.0.0-20210119194325-5f4716e94777 // indirect
 	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
diff --git a/go.sum b/go.sum
index 74b4bed..7f514d9 100644
--- a/go.sum
+++ b/go.sum
@@ -4,6 +4,8 @@ g.arns.lt/zordsdavini/abcex/v4 v4.0.4 h1:idjvgkCjrjZfDxLyOcX7lCIdIndISDAkj77VCvh
 g.arns.lt/zordsdavini/abcex/v4 v4.0.4/go.mod h1:/+//gYSUtJrdsmTtWNoffRO4xD1BuPRUMGW4ynet7iE=
 g.arns.lt/zordsdavini/zordfsdb v1.0.4 h1:jtM9sXAh5kLatHyrkbky7XO2z9wgfz0fjYBg5NHVCrk=
 g.arns.lt/zordsdavini/zordfsdb v1.0.4/go.mod h1:CpFWjby+GB/+mrJFTsCDJHS5UCWHty6Y7Pf/Ui7IR90=
+g.arns.lt/zordsdavini/zordfsdb v1.0.5 h1:8HoKqkQM3u9GzkCl+Bco1ctBr+Uz/J+tSxyyfMShbvA=
+g.arns.lt/zordsdavini/zordfsdb v1.0.5/go.mod h1:CpFWjby+GB/+mrJFTsCDJHS5UCWHty6Y7Pf/Ui7IR90=
 git.sr.ht/~adnano/go-gemini v0.2.3 h1:oJ+Y0/mheZ4Vg0ABjtf5dlmvq1yoONStiaQvmWWkofc=
 git.sr.ht/~adnano/go-gemini v0.2.3/go.mod h1:hQ75Y0i5jSFL+FQ7AzWVAYr5LQsaFC7v3ZviNyj46dY=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
diff --git a/main.go b/main.go
index 1a5726f..896848a 100644
--- a/main.go
+++ b/main.go
@@ -2,6 +2,8 @@ package main
 
 import (
 	"context"
+	"crypto/sha256"
+	"encoding/hex"
 	"flag"
 	"fmt"
 	"io"
@@ -152,7 +154,7 @@ func process(_ context.Context, w gemini.ResponseWriter, r *gemini.Request) {
 
 	switch {
 	case "/" == r.URL.Path:
-		renderIndex(w, client)
+		renderIndex(w, client, r)
 	case regexp.MustCompile(`^/atom.xml$`).MatchString(r.URL.Path):
 		renderFeed(w, r, client)
 	case regexp.MustCompile(`^/a/?$`).MatchString(r.URL.Path):
@@ -223,7 +225,7 @@ func getLangFilters() []*TreeRequest_Filter {
 	return filters
 }
 
-func renderIndex(w gemini.ResponseWriter, client TreeManagerClient) {
+func renderIndex(w gemini.ResponseWriter, client TreeManagerClient, r *gemini.Request) {
 	db, err := zordfsdb.InitDB("./db")
 	if err != nil {
 		w.WriteHeader(gemini.StatusTemporaryFailure, "Internal server error")
@@ -250,6 +252,12 @@ func renderIndex(w gemini.ResponseWriter, client TreeManagerClient) {
 		db.Save("page_counter._"+defaultLang, "1")
 	}
 
+	adminCert, found := db.Get("admin_cert")
+	if !found {
+		adminCert = "xxx"
+		db.Save("admin_cert", "xxx")
+	}
+
 	w.SetMediaType("text/gemini")
 	tpl := pongo2.Must(pongo2.FromFile(fmt.Sprintf("templates/%s/index.gmi", defaultLang)))
 	page, err := tpl.Execute(
@@ -259,6 +267,7 @@ func renderIndex(w gemini.ResponseWriter, client TreeManagerClient) {
 			"lastFiles":   GetLastFiles(tree.Files),
 			"lastRebuild": lastRebuild,
 			"pageCounter": pageCounter,
+			"admin":       adminCert == getCertFingerprint(r),
 		},
 	)
 	if err != nil {
@@ -579,3 +588,14 @@ func redirectAction(w gemini.ResponseWriter, r *gemini.Request, client TreeManag
 		),
 	)
 }
+
+func getCertFingerprint(r *gemini.Request) string {
+	if len(r.TLS().PeerCertificates) == 0 {
+		return ""
+	}
+
+	crt := r.TLS().PeerCertificates[0]
+	sum := sha256.Sum256(crt.Raw)
+
+	return hex.EncodeToString(sum[:])
+}
diff --git a/templates/sgs/index.gmi b/templates/sgs/index.gmi
index 82d9c4f..980c078 100644
--- a/templates/sgs/index.gmi
+++ b/templates/sgs/index.gmi
@@ -25,3 +25,5 @@ Sveikė atvīkėn i mona kapsolė Gemini ertie. {{ logo() }}
 Last build: {{lastRebuild}}
 Total page counter: {{pageCounter}}
 ```
+
+{% if admin %}ADMIN{% endif %}